山東鑫之恒儀器儀表有限公司http://www.10086sz.com/生產(chǎn)銷售催化反應(yīng)評價裝置在線色譜儀、天然氣氣相色譜儀、氣相色譜儀、燃?xì)鉄嶂捣治鰞x、實驗室設(shè)備等氣相色譜開發(fā)關(guān)鍵因素-待測樣品信息采集http://www.10086sz.com/?id=220<p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">山東鑫之恒氣相色譜分析</span></strong><span style="font-size: 16px;">方法開發(fā),從來不是“套模板”的簡單操作,而是一場“以樣品特性為核心,反向推導(dǎo)儀器參數(shù)”的推理!氣相色譜分析沒有標(biāo)準(zhǔn)準(zhǔn)的“通用”方案,只有適配特定分析對象的條件組合。</span></p><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">樣品信息采集</span></strong><span style="font-size: 16px;">作為</span><span style="font-size: 16px;">氣相色譜分析方案配置的關(guān)鍵性一步,準(zhǔn)確掌握樣品準(zhǔn)確信息是設(shè)定參數(shù)的“導(dǎo)航儀”。采購氣相色譜儀時請向山東鑫之恒儀器廠商提供待測樣品的”全“信息!</span></p><h3 style="line-height: 1.5em;"><span style="font-size: 16px;">1. 待測樣品類型</span></h3><p style="line-height: 1.5em;"><span style="font-size: 16px;">樣品的物理形態(tài),直接決定前處理方式與進(jìn)樣模式,無需復(fù)雜推導(dǎo),按類型對應(yīng)即可:</span></p><ul start="1" class=" list-paddingleft-2" style="width: 1051.64px;"><li><p style="line-height: 1.5em;"><span style="font-size: 16px;">氣體樣品:通常無需復(fù)雜前處理,可直接進(jìn)樣;</span></p></li><li><p style="line-height: 1.5em;"><span style="font-size: 16px;">液體樣品與固體樣品:需用合適溶劑溶解/稀釋供試品、提取待測組分,或采用頂空、熱解吸等間接進(jìn)樣方式,避免基質(zhì)干擾檢測。</span></p></li></ul><h3 style="line-height: 1.5em;"><span style="font-size: 16px;">2. 待測組分與基質(zhì)的性質(zhì)</span></h3><p style="line-height: 1.5em;"><span style="font-size: 16px;">組分與基質(zhì)的化學(xué)、物理特性,是色譜柱、柱溫及檢測器選擇的核心依據(jù),需逐一梳理:</span></p><ul start="1" class=" list-paddingleft-2" style="width: 1051.64px;"><li><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">揮發(fā)性</span></strong><span style="font-size: 16px;">:掌握所有組分的<strong>沸點</strong>信息,沸點范圍直接決定<strong>色譜柱類型</strong>,同時劃定<strong>柱溫程序</strong>的大致區(qū)間;</span></p></li><li><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">極性</span></strong><span style="font-size: 16px;">:待測組分的極性相似性,是選擇色譜柱固定相的核心指標(biāo),直接影響組分的分離順序(<strong>相似相溶原理</strong>);</span></p></li><li><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">熱穩(wěn)定性</span></strong><span style="font-size: 16px;">:明確組分可承受的zg溫度,以此設(shè)定進(jìn)樣口和柱溫的上限,避免組分<strong>熱分解</strong>;</span></p></li><li><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">化學(xué)活性</span></strong><span style="font-size: 16px;">:判斷組分是否易吸附、易分解,是否會與<strong>儀器金屬表面反應(yīng)</strong>,是否會與特定<strong>化學(xué)物質(zhì)發(fā)生反應(yīng)</strong>,提前做好<strong>鈍化處理</strong>等準(zhǔn)備;</span></p></li><li><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">結(jié)構(gòu)組成</span></strong><span style="font-size: 16px;">:明確待測組分是碳?xì)浣Y(jié)構(gòu)有機物還是氮氣等無機物,結(jié)構(gòu)中是否含鹵族元素、磷或硫原子,這是<strong>檢測器選擇</strong>的主要依據(jù);</span></p></li><li><p style="line-height: 1.5em;"><strong><span style="font-size: 16px;">基質(zhì)的化學(xué)性質(zhì)</span></strong><span style="font-size: 16px;">:確認(rèn)基質(zhì)是否熱穩(wěn)定,溶液pH值與化學(xué)性質(zhì)是否會干擾待測組分檢測,進(jìn)而影響樣品處理方式與進(jìn)樣方式的選擇。</span></p></li></ul><h3 style="line-height: 1.5em;"><span style="font-size: 16px;">3. 含量水平與檢測靈敏度要求</span></h3><p style="line-height: 1.5em;"><span style="font-size: 16px;">不同的含量范圍,直接決定<strong>檢測器類型</strong>與進(jìn)樣方式的選擇,按需匹配更高效:</span></p><ul start="1" class=" list-paddingleft-2" style="width: 1051.64px;"><li><p style="line-height: 1.5em;"><span style="font-size: 16px;">常量分析(%級):FID、TCD等通用型檢測器即可滿足需求,進(jìn)樣方式通常不受限制;</span></p></li><li><p style="line-height: 1.5em;"><span style="font-size: 16px;">微量/痕量分析(ppm/ppb級):需選用ECD、FPD、NPD等選擇性檢測器,或搭配合適的富集技術(shù),也可通過直接進(jìn)樣滿足靈敏度需求;</span></p></li><li><p style="line-height: 1.5em;"><span style="font-size: 16px;">未知組分篩查:質(zhì)譜檢測器(MS)是zj選擇,可實現(xiàn)組分的定性與定量同步完成,無需額外單獨定性。</span></p></li></ul><p><br style="font-family: sans-serif; text-wrap: wrap;"/></p><p><br/></p>Wed, 08 Apr 2026 10:48:09 +0800速看|2026年涉及氣相色譜分析的新實施標(biāo)準(zhǔn)http://www.10086sz.com/?id=219<p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">2026 年新發(fā)布 / 實施的氣相色譜法國家標(biāo)準(zhǔn)主要集中在化工、環(huán)保、食品、石油四大領(lǐng)域,山東鑫之恒儀器借助AI整理一份關(guān)于氣相色譜分析相關(guān)的2026新標(biāo)準(zhǔn),方便同行和用戶參考:</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">一、2026 年 3 月 1 日實施</span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=6B0B6718374F7E75F1C392339E1E3458" target="_self"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">1. GB/T 8984-2025 氣體分析 氣體中微量一氧化碳、二氧化碳和碳?xì)浠衔锖康臏y定 火焰離子化氣相色譜法</span></strong></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">替代:GB/T 8984-2008</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">領(lǐng)域:工業(yè)氣體、高純氣體檢測</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">核心:FID 檢測器,測定微量 CO、CO?、總烴 / 非甲烷總烴</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">2. <a href="https://www.nhc.gov.cn/sps/c100088/202602/c0c4a9266f7e43cda1bf3bec59fc2786.shtml" target="_self">GB 23200.113-2026 食品安全國家標(biāo)準(zhǔn) 植物源性食品中 242 種農(nóng)藥及其代謝物殘留量的測定 氣相色譜 - 質(zhì)譜聯(lián)用法</a></span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">替代:GB 23200.113-2018</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">領(lǐng)域:食品農(nóng)殘檢測</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">升級:覆蓋242 種農(nóng)藥(原 208 種),方法靈敏度、定性準(zhǔn)確度提升</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">&nbsp;</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">二、2026 年 5 月 1 日實施</span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">1. <a href="https://std.samr.gov.cn/gb/search/gbDetailed?id=m6lhH4xEmi8%3D&mode=p" target="_self">GB/T 28726-2025</a> 氣體分析 氦離子化氣相色譜法</span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">檢測器:PDHID 氦離子化檢測器</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">特點:超高靈敏度(ppb 級),適用于高純電子特氣、稀有氣體雜質(zhì)分析</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=1EFB1B78DE9167735006A77C35B7770C" target="_self"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">2. GB/T 46434-2025 甲醇純度及其微量有機雜質(zhì)的測定 氣相色譜法</span></strong></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">新標(biāo)</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">適用:≥99.0% 工業(yè)甲醇純度與雜質(zhì)(醇、酮、酯等)檢測</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=549369D3D36B77132AA33C4DF236D498" target="_self"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">檢出限:雜質(zhì)2~12 mg/kg</span></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="https://openstd.samr.gov.cn/bzgk/gb/newGbInfo?hcno=549369D3D36B77132AA33C4DF236D498" target="_self"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">3. GB/T 18606-2025 沉積物和原油中生物標(biāo)志化合物氣相色譜 - 質(zhì)譜測定方法</span></strong></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">替代:舊版 GB/T 18606</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">領(lǐng)域:石油地質(zhì)、地球化學(xué)</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">對象:飽和烴、芳烴類生物標(biāo)志物(用于油源對比、成熟度分析)</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">4. <a href="https://www.mee.gov.cn/ywgz/fgbz/bz/bzwb/jcffbz/202602/W020260205591524735527.pdf" target="_self">HJ 1458-2026 固定污染源廢氣 30 種揮發(fā)性有機物的測定 氣袋采樣 / 便攜式 GC-MS 法</a></span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">用途:現(xiàn)場快速篩查VOCs(苯系物、鹵代烴、酮酯等)</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">檢出限:0.05~0.4 mg/m3(吸附管富集)</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">&nbsp;</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">三、2026 年 7~8 月實施</span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">1. <a href="https://www.mee.gov.cn/ywgz/fgbz/bz/bzwb/jcffbz/202602/W020260203630787827170.pdf" target="_self">HJ 1444-2026 環(huán)境空氣 10 種含硫化合物的測定 罐采樣 - 預(yù)濃縮 / 氣相色譜法</a></span></strong></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">實施:2026-08-01</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">替代:GB/T 14678-1993</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">對象:H?S、甲硫醇、甲硫醚、二甲二硫、羰基硫等10 種惡臭硫化物</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">技術(shù):蘇瑪罐采樣 + 低溫預(yù)濃縮 + GC-FPD/PFPD</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="https://www.mee.gov.cn/ywgz/fgbz/bz/bzwb/jcffbz/202602/W020260203630193619959.pdf" target="_self"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">2. HJ 37-2026 固定污染源廢氣 乙腈和丙烯腈的測定 活性炭吸附 / 溶劑解吸 - 氣相色譜法</span></strong></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">實施:2026-08-01</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">替代:HJ/T 37-1999</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">行業(yè):化工、化纖、合成橡膠廢氣</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="https://www.mee.gov.cn/ywgz/fgbz/bz/bzwb/jcffbz/202602/W020260203629969548871.pdf" target="_self"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">3. HJ 34-2026 固定污染源廢氣 氯乙烯和<span style="color: #FF0000;"><span style="color: #000000;">BXQ</span></span>的測定 氣袋采樣 / 氣相色譜法</span></strong></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">實施:2026-08-01</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">替代:HJ/T 34-1999、HJ/T 36-1999(二標(biāo)合一)</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">行業(yè):PVC、石化、有機合成廢氣</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><a href="http://c.gb688.cn/bzgk/gb/showGb?type=online&hcno=F33129EF7D84CB0223613710AE6D1ECC" target="_self"><strong><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">4. GB/T 27894.8-2026 天然氣 氣相色譜法測定組成 第 8 部分:微型熱導(dǎo)檢測器(μ-TCD)法</span></strong></a></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">實施:2026-08-01</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">對象:H?、O?、N?、CO、CO?、C?~C?+ 烴類</span></p><p style="font-family: sans-serif; text-wrap: wrap;"><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;">特點:<strong>微型 TCD</strong>,適合在線 / 便攜天然氣分析儀</span></p><div><span style="font-family: arial, helvetica, sans-serif; font-size: 16px;"><br/></span></div><p><br/></p>Tue, 07 Apr 2026 15:04:36 +0800安裝氣相色譜柱前應(yīng)保證氣相色譜儀的狀態(tài)穩(wěn)定http://www.10086sz.com/?id=218<p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;;"><span style="font-size: 16px; -webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; overflow-wrap: break-word !important;"><span style="font-size: 16px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-weight: 700; line-height: 24px; text-wrap: wrap; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box;">色譜柱是氣相的 “心臟”,但儀器是 “供血和體溫系統(tǒng)”。氣相色譜分析系統(tǒng)不穩(wěn),心臟再好也跳不平穩(wěn)。所以</span></span>安裝色譜柱的第一步是<span style="font-size: 16px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-weight: 700; line-height: 24px; flex: 0 1 auto; flex-direction: row; justify-content: normal; align-items: normal; padding: 0px; margin: 0px; background-image: none; background-position: 0% 0%; background-size: auto; background-repeat: repeat; background-attachment: scroll; background-origin: padding-box; background-clip: border-box;">先保證儀器穩(wěn)定</span>。</span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; overflow-wrap: break-word !important;"><br/></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; overflow-wrap: break-word !important;">?? 進(jìn)樣口:</span><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;">更換新的進(jìn)樣墊(避免舊墊殘留樣品)、襯管(若襯管內(nèi)有污染物,載氣會將其帶入色譜柱),并確認(rèn)進(jìn)樣口密封良好(無漏氣);</span></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; overflow-wrap: break-word !important;">?? 檢測器:</span><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;">關(guān)鍵操作!老化時需斷開色譜柱與檢測器的連接(如FID、ECD檢測器),用死堵(或廢柱段)密封檢測器入口。</span></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;;"><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; overflow-wrap: break-word !important;">&nbsp;&nbsp;&nbsp;&nbsp;原因是:</span><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;">老化過程中被吹出的雜質(zhì)若進(jìn)入檢測器,會污染檢測器(如ECD檢測器對雜質(zhì)極敏感,一旦污染很難清理);</span></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; overflow-wrap: break-word !important;"><br style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; color: #1E70B4; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; overflow-wrap: break-word !important;">?? 載氣系統(tǒng)</span><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;">:載氣純度必須達(dá)到99.999%以上(高純級),且需安裝除氧、脫水過濾器(若過濾器使用超過3個月,建議提前更換)。</span></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;"><br style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;"/></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 16px; font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; box-sizing: border-box !important; overflow-wrap: break-word !important;">若載氣含氧量>10ppm,高溫下會氧化固定相,導(dǎo)致柱效永久性下降;</span><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px; letter-spacing: 0.544px;">含水量過高則會水解極性固定相(如FFAP柱)。</span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px; letter-spacing: 0.544px;"><br/></span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; color: rgb(62, 62, 62); letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); overflow-wrap: break-word !important;"><font face="微軟雅黑, Microsoft YaHei"><span style="font-size: 16px;">儀器不穩(wěn)定的情況下,出鋒不好不等于色譜柱不好用。</span></font></p><p><br/></p>Wed, 25 Mar 2026 16:04:27 +0800學(xué)習(xí)氣相色譜基本術(shù)語http://www.10086sz.com/?id=217<p><span style="font-size: 16px;"><strong><br/></strong></span></p><p><span style="font-size: 16px;"><strong>氣相<span style="font-family: 宋體; letter-spacing: 1px; text-align: justify; text-indent: 32px; text-wrap: wrap; background-color: rgba(255, 255, 255, 0.7); font-size: 16px;">色譜法是非常重要又常用的分析方法,今天山東鑫之恒儀器講解色譜基本術(shù)語。</span></strong></span></p><p><span style="font-size: 16px;"><strong>&gt;色譜圖(流出曲線)</strong></span></p><p><span style="font-size: 16px;">試樣中的各組分經(jīng)色譜柱分離后,隨載氣依次進(jìn)入檢測器,檢測器將各組分濃度的變化轉(zhuǎn)換為電信號,在記錄儀上記錄為檢測器響應(yīng)隨時間的變化的微分曲線,稱為色譜流出曲線。</span></p><p><span style="font-size: 16px;"><strong>&gt;色譜峰</strong></span></p><p><span style="font-size: 16px;">組分從色譜柱流出,檢測器對該組分的響應(yīng)信號隨時間變化所形成的峰形曲線。<br/></span></p><p><span style="font-size: 16px;">特點:當(dāng)進(jìn)樣少,組分濃度低時,呈高斯分布。</span></p><p><span style="font-size: 16px;"><strong>&gt;基線</strong></span></p><p><span style="font-size: 16px;">在正常操作條件下,僅用載氣通過色譜柱時,檢測器響應(yīng)信號隨時間變化的曲線稱為基線。</span></p><p><span style="font-size: 16px;">特點:穩(wěn)定的基線應(yīng)為平行于橫軸的直線。</span></p><p><span style="font-size: 16px;"><strong>&gt;峰高</strong><br/></span></p><p><span style="font-size: 16px;">色譜峰頂點到基線的垂直距離(高度)稱為色譜峰高。</span></p><p><span style="font-size: 16px;"><strong><span style="text-wrap: wrap; font-size: 16px;">&gt;</span>色譜峰寬度</strong></span></p><p><span style="font-size: 16px;">色譜峰的區(qū)域?qū)挾仁墙M分在色譜柱中譜帶擴(kuò)張的函數(shù),可以反映色譜柱的分離效能。在能夠?qū)⒔M分分開的情況下,峰的區(qū)域?qū)挾仍秸胶谩?lt;/span></p><p><span style="font-size: 16px;"><strong>&gt;保留值</strong><br/></span></p><p><span style="font-size: 16px;">試樣各組分在色譜柱中保留行為的量度,它反映了組分與固定相之間相互作用的大小:保留時間tR、保留體積VR。</span></p><p><span style="font-size: 16px;"><strong>&gt;拖尾峰</strong></span></p><p><span style="font-size: 16px;">當(dāng)組份被玻璃襯管或色譜柱吸附的時候。</span></p><p><span style="font-size: 16px;">當(dāng)極性成分在非極性固定液的色譜柱內(nèi)分析的時,也可能出現(xiàn)。</span></p><p><span style="font-size: 16px;"><strong>&gt;尖峰</strong></span></p><p><span style="font-size: 16px;">毛細(xì)管柱:在分析時峰形幾乎都是尖峰。</span></p><p><span style="font-size: 16px;">填充柱:在等溫分析時越先出的峰,峰 形越尖銳。</span></p><p><span style="font-size: 16px;"><strong>從譜圖可以判斷出哪些信息?</strong></span></p><section><span style="font-size: 16px;">(1)色譜峰數(shù)目——可以判斷試樣中所含組分的z少個數(shù)。</span></section><section><span style="font-size: 16px;">(2)色譜峰保留值(或位置)——可以進(jìn)行定性分析。</span></section><section><span style="font-size: 16px;">(3)色譜峰下的面積或峰高——可以進(jìn)行定量分析。</span></section><section><span style="font-size: 16px;">(4)色譜峰的保留值及其區(qū)域?qū)挾取窃u價色譜柱 分離效能的依據(jù)。</span></section><section><span style="font-size: 16px;">(5)色譜峰兩峰間的距離——是評價固定相和流動相 選擇是否合適的依據(jù)。</span></section><br/><p><br/></p>Thu, 12 Mar 2026 15:14:36 +0800假期結(jié)束,氣相色譜儀開機操作不會的看這里!http://www.10086sz.com/?id=216<p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;隨著春節(jié)假期的結(jié)束,我們再次回到了緊張而充實的工作崗位。對于科研工作者和實驗室技術(shù)人員而言,假期后的重要任務(wù)便是確保實驗室各類精密儀器的順利重啟與穩(wěn)定運行。</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;為此,<a href="http://www.xinzhiheng17.com" target="_self"><strong>山東鑫之恒儀器</strong></a>準(zhǔn)備了<strong>氣相色譜儀開機</strong>攻略,旨在為實驗室同仁們提供一份實用的操作參考。</span></p><p style="line-height: 2em;"><strong><span style="font-size: 16px;">開機操作如下:</span></strong></p><p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;檢查氣瓶或氣體發(fā)生器等氣源是否有氣或正常工作,檢測一切正常后打開氣源,如長時間未使用建議用肥皂水或檢漏液檢測各個接口處是否漏氣(尤其氫氣檢測),等壓力表穩(wěn)定或發(fā)生器達(dá)到設(shè)定值后(發(fā)生器一般設(shè)定壓力在0.4Mpa,氫氣發(fā)生器在未輸出流量且達(dá)到設(shè)定壓力時,數(shù)值顯示0.00)在進(jìn)行下一步操作;<br/></span></p><p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;檢查電源線和插座是否正常連接,如儀器配有自動進(jìn)樣器需檢查進(jìn)樣針與洗針液和廢液瓶是否準(zhǔn)備妥當(dāng),檢查完成后打開儀器電源;</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;開機后觀察各個部位能否達(dá)到設(shè)定值,如:柱流速,檢測器氣體流量,各部溫度尤其柱流速未達(dá)到要檢查進(jìn)樣墊是否漏氣,要及時更換,待所有部位就緒后進(jìn)行下一步;</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;打開電腦軟件工作站,連接成功后選擇需要的方法下發(fā),查看各部位溫度和流量是否達(dá)到設(shè)定值,待所有均達(dá)到設(shè)定值后,執(zhí)行基線監(jiān)測;</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">&nbsp; &nbsp;待基線平穩(wěn)后開始進(jìn)樣工作。</span></p><p><br/></p><p><br style="font-family: sans-serif; text-wrap: wrap;"/></p><p><br/></p>Tue, 10 Feb 2026 15:52:11 +0800非防爆型天然氣在線熱值分析儀http://www.10086sz.com/?id=215<p style="text-align: center;"><img class="ue-image" src="http://www.10086sz.com/zb_users/upload/2026/02/202602071770452889345936.jpg"/></p><p style="text-indent:32px;line-height:24px;background:rgb(255,255,255)"><strong><span style="font-family: 宋體;font-size: 16px">ONline </span></strong><strong><span style="font-family: 宋體;font-size: 16px">GC天然氣在線</span></strong><strong><span style="font-family: 宋體;font-size: 16px">熱值</span></strong><strong><span style="font-family: 宋體;font-size: 16px">分析儀</span></strong><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">可與天然氣管道直接連接實現(xiàn)在線進(jìn)樣分析,并可以實現(xiàn)</span>24小時連續(xù)在線監(jiān)測,分析的數(shù)據(jù)結(jié)果可以通過用戶的網(wǎng)絡(luò)平臺協(xié)議進(jìn)行上傳到中控系統(tǒng)。為用戶提供了準(zhǔn)確、快速,簡潔的檢測手段,使分析監(jiān)測數(shù)據(jù)一目了然。</span></p><p style="text-indent:32px;line-height:24px;background:rgb(255,255,255)"><strong><span style="font-family: 宋體;font-size: 16px">ONline </span></strong><strong><span style="font-family: 宋體;font-size: 16px">GC天然氣在線</span></strong><strong><span style="font-family: 宋體;font-size: 16px">熱值</span></strong><strong><span style="font-family: 宋體;font-size: 16px">分析儀</span></strong><span style=";font-family:宋體;font-size:16px">可對天然氣中氮、甲烷、</span><span style=";font-family:宋體;font-size:16px">二氧化碳、</span><span style=";font-family:宋體;font-size:16px"><span style="font-family:宋體">乙烷、丙烷、異丁烷、正丁烷、正戊烷、異戊烷及</span>C6+以上的烴類成份的一次進(jìn)樣全分析。</span></p><p style="text-indent:32px;line-height:24px;background:rgb(255,255,255)"><span style=";font-family:宋體;font-size:16px"></span><br/></p><p><strong><span style="font-family: 宋體;font-size: 16px">分析儀關(guān)鍵元件:可靠自動六通閥、十通閥:</span></strong></p><p><span style="font-family: 宋體;font-size: 16px">? 采用進(jìn)口VICI6通閥、10通閥設(shè)計</span></p><p><span style="font-family: 宋體;font-size: 16px">? 錐形密封墊圈設(shè)計,有效保證密封效果,隔絕雜質(zhì)污染 </span></p><p><span style="font-family: 宋體;font-size: 16px">? 采用動力氣驅(qū)動,操作簡單,反應(yīng)快,可靠性高</span></p><p><span style="font-family: 宋體;font-size: 16px">? 閥的壽命大于5百萬次</span></p><p><strong><span style="font-family: 宋體;font-size: 16px">分析儀關(guān)鍵元件:緊湊型色譜柱:</span></strong></p><p><span style="font-family: 宋體;font-size: 16px">? 采用直徑3毫米鈍化處理不銹鋼色譜柱,選用進(jìn)口單體,使天然氣分析時間更快,</span></p><p><span style="font-family: 宋體;font-size: 16px">&nbsp;&nbsp;<span style="font-family:宋體">載氣流量消耗更小</span></span></p><p><span style="font-family: 宋體;font-size: 16px">? 有效的分離天然氣的各個組分,使分析結(jié)果更加確</span></p><p><span style="font-family: 宋體;font-size: 16px">? 壽命長,可靠性高</span></p><p><strong><span style="font-family: 宋體;font-size: 16px">分析儀關(guān)鍵元件:高靈敏錸鎢絲</span></strong></p><p><span style=";font-family:宋體;font-size:16px">? 采用熱敏材料設(shè)計,有效提高熱導(dǎo)檢測器靈敏度</span></p><p><span style=";font-family:宋體;font-size:16px">? 一體式密封加熱,散熱比小,布局合理,溫度均勻,效率更高,節(jié)約能耗。</span></p><p><span style=";font-family:宋體;font-size:16px">? 升溫降溫速率快,穩(wěn)定性好</span></p><p style="margin-top:0;margin-bottom:0;line-height:24px;background:rgb(255,255,255)"><strong><span style="font-family: 宋體;font-size: 16px">非防爆型天然氣在線熱值分析儀應(yīng)用領(lǐng)域:</span></strong></p><p style="margin-top:0;margin-bottom:0;text-indent:32px;line-height:24px;background:rgb(255,255,255)"><span style="font-family: 宋體;font-size: 16px">LNG CNG加氣站、油田氣、煤層氣、礦井氣、頁巖氣、燃?xì)夤艿肋\輸公司、燃?xì)膺\輸公司、燃?xì)鈨湔尽⒚焊臍馄髽I(yè)、LNG點供、燃?xì)饩呱a(chǎn)企業(yè)、石油煉化、焦化廠、冶煉廠和供氣站等眾多行業(yè)。</span></p><p><br/></p>Sat, 07 Feb 2026 16:27:06 +08002026馬年春節(jié)將至|氣相色譜儀關(guān)機指南速看http://www.10086sz.com/?id=214<section style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">在過去的日子里,<strong style="box-sizing: border-box; margin: 0px;">氣相色譜儀</strong>如同我們并肩作戰(zhàn)的親密戰(zhàn)友,陪伴我們攻克了一個又一個難關(guān),收獲了滿滿的成果。如今春節(jié)將至,到了讓這臺 “戰(zhàn)友&quot; 好好休息的時候。這份<strong>氣相色譜儀關(guān)機</strong>指南送給大家,希望大家在<a href="http://www.10086sz.com" target="_self"><strong style="box-sizing: border-box; margin: 0px;">GC關(guān)機</strong></a>的過程中,一切順順利利。每一步操作都精準(zhǔn)無誤。輕松完成關(guān)機流程,讓儀器以好的狀態(tài)進(jìn)入假期。</span></section><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><br style="box-sizing: border-box; margin: 0px;"/></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; margin: 0px;"><span style="box-sizing: border-box; margin: 0px; font-size: 16px; color: #17365D;">一、關(guān)機步驟</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">1、在氣相色譜儀操作面板或工作站軟件上關(guān)閉檢測器相關(guān)參數(shù):</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①FID檢測器火焰;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">②FPD檢測器火焰和高壓(光電倍增管開關(guān));</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③&nbsp;ECD檢測器電流/脈沖開關(guān);</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">④TCD檢測器橋電流(橋流)、橋溫或者燈絲開關(guān);</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">⑤NPD檢測器銣珠(銣珠電流、電壓等);</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">注:</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①檢測器火焰關(guān)閉作為關(guān)機的第一步,主要是為了避免檢測器降溫過程中,火焰燃燒生成的水汽冷凝在檢測器內(nèi);</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">②機械閥類的氣相色譜儀,不能用儀器面板或者工作站軟件關(guān)閉火焰,直接將氫氣和空氣調(diào)節(jié)閥關(guān)閉或關(guān)閉氫氣和空氣氣體管路開關(guān)閥關(guān)閉火焰,亦可關(guān)閉氣體凈化器開關(guān)閥關(guān)閉火焰;&nbsp;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③EPC(電子流量控制)類氣相色譜,一般檢測器火焰關(guān)閉后會自動關(guān)閉氫氣和空氣,否則手動設(shè)置關(guān)閉;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">④關(guān)閉檢測器關(guān)鍵參數(shù)時,如果使用毛細(xì)色譜柱,請勿關(guān)閉尾吹氣(填充柱分析無尾吹氣選項);&nbsp;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">2 、將各加熱模塊溫度設(shè)為40℃:</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①氣相色譜儀進(jìn)樣口、檢測器、轉(zhuǎn)化爐、柱箱等溫度;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">②外部設(shè)備的溫度,如前處理儀器:熱解吸、頂空進(jìn)樣器和吹掃捕集等;&nbsp;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">注:</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">能通過氣相色譜儀工作站控制的儀器,可將此類步驟保存為“儀器關(guān)機方法&quot;,直接調(diào)用下發(fā)即可。&nbsp;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">3&nbsp;關(guān)閉氣相色譜電源開關(guān)</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">等到各加熱模塊溫度降到80℃以下,就可關(guān)閉儀器電源,接著關(guān)閉GC工作站和電腦即可;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">4 關(guān)閉各氣路總開關(guān)和支路開關(guān):</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①&nbsp;載氣;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">②&nbsp;FID、FPD和NPD檢測器燃?xì)猓錃猓⒅細(xì)猓諝猓?lt;/span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③&nbsp;氣動閥的動力氣(空氣等)</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">5 清潔:</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①&nbsp;對于粘度、濃度較大樣品,一定要用溶劑清洗干凈進(jìn)樣針內(nèi)的殘留;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">&nbsp;②&nbsp;更換進(jìn)樣墊和襯管,以備年后開機;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③&nbsp;按要求處理廢液及廢棄的樣品等;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong style="box-sizing: border-box; margin: 0px;"><span style="box-sizing: border-box; margin: 0px; font-size: 16px; color: #17365D;">二、注意事項</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①&nbsp;關(guān)機后要關(guān)閉各氣路氣源閥門;若實驗室使用鋼瓶,應(yīng)先關(guān)閉鋼瓶瓶閥,待氣路剩余氣體排出之后,壓力表降到零時,再關(guān)閉減壓閥;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">②&nbsp;關(guān)機后根據(jù)規(guī)定關(guān)閉實驗室排風(fēng)設(shè)備、總電源開關(guān)等,并拔掉插座等;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③&nbsp;關(guān)好門窗,長時間不用的GC蓋上儀器罩。</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: &quot;microsoft yahei&quot;; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">如您對氣相色譜儀關(guān)機有疑慮,可聯(lián)系儀器廠商技術(shù)人員進(jìn)行指導(dǎo)操作,切勿因盲目操控導(dǎo)致儀器不可逆損壞!</span></p><p><br/></p>Sat, 07 Feb 2026 15:51:15 +0800馬年大吉|鑫之恒儀器2026 春節(jié)假期安排,請查收http://www.10086sz.com/?id=213<p style="text-align: center;"><img class="ue-image" src="http://www.10086sz.com/zb_users/upload/2026/02/202602071770448777408864.png" title="2026春節(jié)放假安排.png" alt="2026春節(jié)放假安排.png" width="1190" height="2105" style="width: 1190px; height: 2105px;"/></p><p><br/></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">新的一年,萬象更新,馬年象征著速度、力量與成功。為確保不耽誤您的分析工作,請?zhí)崆白龊脗湄洶才牛员阄覀兂掷m(xù)為您提供優(yōu)質(zhì)服務(wù),助您在新的一年里&quot;馬到成功&quot;!</span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">以上如造成您諸多不便,還望諒解與支持!</span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">在此,山東鑫之恒儀器提前祝您及家人新春快樂,馬年大吉,事業(yè)如駿馬奔騰,蒸蒸日上,萬事順?biāo)?</span><span leaf="" style="-webkit-tap-highlight-color: ; 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margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: right; text-wrap: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">山東鑫之恒儀器儀表有限公司</span></p><p style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0); margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: &quot;PingFang SC&quot;, system-ui, -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: right; text-wrap: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: ; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important;">2026.02.09</span></p>Sat, 07 Feb 2026 14:50:22 +0800實驗室超純水和純水的區(qū)別有哪些?http://www.10086sz.com/?id=212<h3 style="margin: 0px; padding: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 16px; line-height: 32px; font-family: 宋體; text-align: left; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong style="margin: 0px; padding: 0px;">在科研實踐中,水作為溶劑、介質(zhì)、清洗劑和反應(yīng)參與者滲透進(jìn)每一個實驗步驟,同樣水的純度影響著實驗分析!</strong><br/></h3><h3 style="margin: 0px; padding: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 16px; line-height: 32px; font-family: 宋體; text-align: left; text-wrap: wrap; background-color: rgb(255, 255, 255);">制備工藝</h3><ul style="list-style-type: none;" class=" list-paddingleft-2"><li><p id="" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; word-break: break-all; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; line-height: 24px; text-indent: 2em; text-align: left;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px;">純水</strong>:</span></p></li><ul style="list-style-type: circle;" class=" list-paddingleft-2"><li><p style="text-align: left;"><span style="font-size: 16px;">指的是不含雜質(zhì)的H?O,通過設(shè)備將水中的離子除去,達(dá)到一定的純度。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">主要使用反滲透、蒸餾等方式進(jìn)行制備。</span></p></li></ul><li><p id="" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; word-break: break-all; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; line-height: 24px; text-indent: 2em; text-align: left;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px;">超純水</strong>:</span></p></li><ul style="list-style-type: circle;" class=" list-paddingleft-2"><li><p style="text-align: left;"><span style="font-size: 16px;">在純水的基礎(chǔ)上,進(jìn)行更深層次的純化,去除水中的導(dǎo)電介質(zhì)、不離解的膠體物質(zhì)、氣體及有機物等。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">需要經(jīng)過預(yù)處理、反滲透、EDI(電去離子)、樹脂、殺菌系統(tǒng)等多層工藝才能夠制成。</span></p></li></ul></ul><h3 style="margin: 0px; padding: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 16px; line-height: 32px; font-family: 宋體; text-align: left; text-wrap: wrap; background-color: rgb(255, 255, 255);">水質(zhì)指標(biāo)</h3><ul style="list-style-type: none;" class=" list-paddingleft-2"><li><p id="" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; word-break: break-all; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; line-height: 24px; text-indent: 2em; text-align: left;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px;">電導(dǎo)率</strong>:</span></p></li><ul style="list-style-type: circle;" class=" list-paddingleft-2"><li><p style="text-align: left;"><span style="font-size: 16px;">純水的電導(dǎo)率在2~10μs/cm之間。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">超純水的電導(dǎo)率極低,通常為0.056μs/cm或更低,電阻率則能達(dá)到18.2MΩ/CM。</span></p></li></ul><li><p id="" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; word-break: break-all; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; line-height: 24px; text-indent: 2em; text-align: left;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px;">雜質(zhì)含量</strong>:</span></p></li><ul style="list-style-type: circle;" class=" list-paddingleft-2"><li><p style="text-align: left;"><span style="font-size: 16px;">純水的雜質(zhì)含量為ppm級別(百萬分率)。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">超純水的雜質(zhì)含量極低,接近ppb級別(十億分率),幾乎除了水分子之外沒有雜質(zhì)。</span></p></li></ul></ul><h3 style="margin: 0px; padding: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 16px; line-height: 32px; font-family: 宋體; text-align: left; text-wrap: wrap; background-color: rgb(255, 255, 255);">應(yīng)用領(lǐng)域與實驗條件</h3><ul style="list-style-type: none;" class=" list-paddingleft-2"><li><p id="" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; word-break: break-all; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; line-height: 24px; text-indent: 2em; text-align: left;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px;">純水</strong>:</span></p></li><ul style="list-style-type: circle;" class=" list-paddingleft-2"><li><p style="text-align: left;"><span style="font-size: 16px;">適用于一般實驗室的清洗、制備試劑等。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">在對水質(zhì)純度要求不高的實驗中,純水可以滿足需求。</span></p></li></ul><li><p id="" style="margin-top: 0px; margin-bottom: 0px; padding: 0px; word-break: break-all; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; line-height: 24px; text-indent: 2em; text-align: left;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px;">超純水</strong>:</span></p></li><ul style="list-style-type: circle;" class=" list-paddingleft-2"><li><p style="text-align: left;"><span style="font-size: 16px;">適用于要求很高純度的分析實驗,如高精度儀器分析、微量元素分析等。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">在生物、制藥、石油、化工、鋼鐵、玻璃等領(lǐng)域也有廣泛應(yīng)用。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">在這些領(lǐng)域中,實驗或生產(chǎn)對水質(zhì)純度有極高要求,超純水能夠滿足這些需求。</span></p></li></ul><p style="text-align: left;"><span style="font-size: 16px;"></span></p><p style="text-align: left;"><span style="font-size: 16px;">山東鑫之恒儀器供應(yīng)國產(chǎn)實驗室純水機、超純水機,為科研分析助力!</span></p></ul>Tue, 27 Jan 2026 14:44:34 +0800毛細(xì)管柱使用一段時間柱效降低怎么回事?http://www.10086sz.com/?id=211<p><span style="font-size: 16px;">有用戶反饋使用一段時間的<a href="http://www.10086sz.com/?cate=16" target="_self">毛細(xì)管柱</a>出現(xiàn)柱效降低情況,峰高低,峰拖尾,跑基線不穩(wěn)等。技術(shù)排查可能是用戶操作不當(dāng)造成的。拆下柱子會發(fā)現(xiàn)管壁上出現(xiàn)黑點。<br/></span></p><p><strong><span style="font-size: 16px;">主要可能的不當(dāng)操作有:</span></strong></p><p><span style="font-size: 16px;">①色譜柱在超過耐受溫度下頻繁使用,導(dǎo)致固定相被破壞;</span></p><p><span style="font-size: 16px;">②儀器氣源載氣氮氣或氦氣的純度不夠,微量的氧氣或水汽在色譜柱升溫過程中反復(fù)作用,導(dǎo)致固定相被破壞;</span></p><p><span style="font-size: 16px;">③色譜柱沒有使用儲存時未密封,導(dǎo)致空氣中氧氣或水汽進(jìn)入,使用時沒有先低溫吹掃色譜柱,直接升至高溫導(dǎo)致固定相被破壞;</span></p><p><span style="font-size: 16px;">④方法切換時,程序升溫的最高溫度沒有變更,到時色譜柱在超過耐受溫度下使用,導(dǎo)致固定相被破壞。</span></p><p><span style="font-size: 16px;">因此如果我們在使用時沒有注意以上幾點,通常都會導(dǎo)致極性毛細(xì)管柱壽命較短。</span></p><p><strong style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">如何維護(hù)可以延長</strong><strong style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">極性</strong><strong style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">毛細(xì)管柱使用壽命?</strong></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;"><strong>1.正確的老化色譜柱</strong></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:33px;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">老化前,在室溫下用載氣吹掃色譜柱5 ~10 分鐘。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:33px;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">程序升溫老化色譜柱時一開始升溫速率不宜過快,終點溫度為待測樣品操作條件溫度以上20℃,或色譜柱z高使用溫度以下20℃。達(dá)終點溫度后恒溫1~2 小時或更長,至基線穩(wěn)定即可。如基線始終不穩(wěn),或空白程序升溫時始終出現(xiàn)雜峰鬼峰,應(yīng)檢漏并更換進(jìn)樣墊和襯管、檢查進(jìn)樣口及檢測口是否污染,必要時進(jìn)行適當(dāng)清洗。</span></p><p><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;"><strong>2.正確保存色譜柱</strong></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:33px;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">將毛細(xì)管色譜柱從GC 上卸下來之后,應(yīng)將其保存在原來的盒子中。并將色譜柱兩端密封起來。如果要把色譜柱留在已加熱的GC 中,則必須始終要有載氣流通過色譜柱。只有在關(guān)閉柱溫箱、進(jìn)樣器、檢測器和傳輸管線的加熱系統(tǒng)時,才可以關(guān)閉(即,取消加熱)載氣。如果沒有載氣流通過,就會對色譜柱加熱的部分產(chǎn)生損壞。</span></p><p><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">&nbsp;</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;"><strong>3.載氣純化</strong></span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:33px;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">載氣流路(例如氣路、接頭、進(jìn)樣器)中的泄漏往往是暴露在氧中的源頭。隨著色譜柱的加熱,會很快地?fù)p壞固定相。這樣會造成色譜柱的過度流失,活性組分形成拖尾,以及/或降低柱效(分離度)。一般發(fā)現(xiàn)時色譜柱的固定相通常已經(jīng)被破壞了,色譜柱柱效會有明顯的降低或者色譜柱無法繼續(xù)使用。</span></p><p style="margin-top:0;margin-right:0;margin-bottom:0;margin-left:0;text-indent:33px;padding:0 0 0 0 "><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">因此我們?nèi)粘P枰?jīng)常對GC系統(tǒng)進(jìn)行維護(hù),包括定期檢查氣路和壓力表的泄漏、定期更換隔墊、更換載氣中的捕集阱(<a href="http://www.10086sz.com/?id=101" target="_self">脫氧管</a>),在氣體鋼瓶完全用完之前就更換鋼瓶。</span></p><p><span style="font-family: 微軟雅黑, &quot;Microsoft YaHei&quot;; font-size: 16px;">&nbsp;</span></p><p><span style="font-size: 16px;"><br/></span><br/></p><p><br/></p><p><br/></p>Tue, 13 Jan 2026 09:57:57 +0800