&http://www.dlrjn.cn/生產銷售催化反應評價裝置在線色譜儀、天然氣氣相色譜儀、氣相色譜儀、燃氣熱值分析儀、實驗室設備等- 假期結束,氣相色譜儀開機操作不會的看這里!http://www.dlrjn.cn/?id=216<p style="line-height: 2em;"><span style="font-size: 16px;"> 隨著春節假期的結束,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人員而言,假期后的重要任務便是確保實驗室各類精密儀器的順利重啟與穩定運行。</span></p><p style="line-height: 2em;"><span style="font-size: 16px;"> 為此,<a href="http://www.xinzhiheng17.com" target="_self"><strong>山東鑫之恒儀器</strong></a>準備了<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;"> 檢查氣瓶或氣體發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),等壓力表穩定或發生器達到設定值后(發生器一般設定壓力在0.4Mpa,氫氣發生器在未輸出流量且達到設定壓力時,數值顯示0.00)在進行下一步操作;<br/></span></p><p style="line-height: 2em;"><span style="font-size: 16px;"> 檢查電源線和插座是否正常連接,如儀器配有自動進樣器需檢查進樣針與洗針液和廢液瓶是否準備妥當,檢查完成后打開儀器電源;</span></p><p style="line-height: 2em;"><span style="font-size: 16px;"> 開機后觀察各個部位能否達到設定值,如:柱流速,檢測器氣體流量,各部溫度尤其柱流速未達到要檢查進樣墊是否漏氣,要及時更換,待所有部位就緒后進行下一步;</span></p><p style="line-height: 2em;"><span style="font-size: 16px;"> 打開電腦軟件工作站,連接成功后選擇需要的方法下發,查看各部位溫度和流量是否達到設定值,待所有均達到設定值后,執行基線監測;</span></p><p style="line-height: 2em;"><span style="font-size: 16px;"> 待基線平穩后開始進樣工作。</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.dlrjn.cn/?id=215<p style="text-align: center;"><img class="ue-image" src="http://www.dlrjn.cn/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在線進樣分析,并可以實現</span>24小時連續在線監測,分析的數據結果可以通過用戶的網絡平臺協議進行上傳到中控系統。為用戶提供了準確、快速,簡潔的檢測手段,使分析監測數據一目了然。</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">? 采用進口VICI6通閥、10通閥設計</span></p><p><span style="font-family: 宋體;font-size: 16px">? 錐形密封墊圈設計,有效保證密封效果,隔絕雜質污染 </span></p><p><span style="font-family: 宋體;font-size: 16px">? 采用動力氣驅動,操作簡單,反應快,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"> <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">? 采用熱敏材料設計,有效提高熱導檢測器靈敏度</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,節約能耗。</span></p><p><span style=";font-family:宋體;font-size:16px">? 升溫降溫速率快,穩定性好</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用領域:</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、燃氣管道運輸公司、燃氣運輸公司、燃氣儲備站、煤改氣企業、LNG點供、燃氣具生產企業、石油煉化、焦化廠、冶煉廠和供氣站等眾多行業。</span></p><p><br/></p>Sat, 07 Feb 2026 16:27:06 +0800
- 2026馬年春節將至|氣相色譜儀關機指南速看http://www.dlrjn.cn/?id=214<section style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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>如同我們并肩作戰的親密戰友,陪伴我們攻克了一個又一個難關,收獲了滿滿的成果。如今春節將至,到了讓這臺 “戰友" 好好休息的時候。這份<strong>氣相色譜儀關機</strong>指南送給大家,希望大家在<a href="http://www.dlrjn.cn" target="_self"><strong style="box-sizing: border-box; margin: 0px;">GC關機</strong></a>的過程中,一切順順利利。每一步操作都精準無誤。輕松完成關機流程,讓儀器以好的狀態進入假期。</span></section><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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: "microsoft yahei"; 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: "microsoft yahei"; 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閉檢測器相關參數:</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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: "microsoft yahei"; 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);</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③ ECD檢測器電流/脈沖開關;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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: "microsoft yahei"; 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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①檢測器火焰關閉作為關機的第一步,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;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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閉火焰,直接將氫氣和空氣調節閥關閉或關閉氫氣和空氣氣體管路開關閥關閉火焰,亦可關閉氣體凈化器開關閥關閉火焰; </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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,一般檢測器火焰關閉后會自動關閉氫氣和空氣,否則手動設置關閉;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">④關閉檢測器關鍵參數時,如果使用毛細色譜柱,請勿關閉尾吹氣(填充柱分析無尾吹氣選項); </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">①氣相色譜儀進樣口、檢測器、轉化爐、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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">②外部設備的溫度,如前處理儀器:熱解吸、頂空進樣器和吹掃捕集等; </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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: "microsoft yahei"; 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“儀器關機方法",直接調用下發即可。 </span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">3 關閉氣相色譜電源開關</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; 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,就可關閉儀器電源,接著關閉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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><strong><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">4 關閉各氣路總開關和支路開關:</span></strong></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">① 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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">② FID、FPD和NPD檢測器燃氣(氫氣)、助燃氣(空氣);</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③ 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: "microsoft yahei"; 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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">① 對于粘度、濃度較大樣品,一定要用溶劑清洗干凈進樣針內的殘留;</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;"> ② 更換進樣墊和襯管,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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③ 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: "microsoft yahei"; 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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">① 關機后要關閉各氣路氣源閥門;若實驗室使用鋼瓶,應先關閉鋼瓶瓶閥,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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">② 關機后根據規定關閉實驗室排風設備、總電源開關等,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: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"><span style="box-sizing: border-box; margin: 0px; font-size: 16px;">③ 關好門窗,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: "microsoft yahei"; 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機有疑慮,可聯系儀器廠商技術人員進行指導操作,切勿因盲目操控導致儀器不可逆損壞!</span></p><p><br/></p>Sat, 07 Feb 2026 15:51:15 +0800
- 馬年大吉|鑫之恒儀器2026 春節假期安排,請查收http://www.dlrjn.cn/?id=213<p style="text-align: center;"><img class="ue-image" src="http://www.dlrjn.cn/zb_users/upload/2026/02/202602071770448777408864.png" title="2026春節放假安排.png" alt="2026春節放假安排.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: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", 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,請提前做好備貨安排,以便我們持續為您提供優質服務,助您在新的一年里"馬到成功"!</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: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", 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: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", 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,事業如駿馬奔騰,蒸蒸日上,萬事順遂!</span><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;">期待節后攜手共啟新程。</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: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", 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;">順祝商祺!</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: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", 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: "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", 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別有哪些?http://www.dlrjn.cn/?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、清洗劑和反應參與者滲透進每一個實驗步驟,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;">指的是不含雜質的H?O,通過設備將水中的離子除去,達到一定的純度。</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;">在純水的基礎上,進行更深層次的純化,去除水中的導電介質、不離解的膠體物質、氣體及有機物等。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">需要經過預處理、反滲透、EDI(電去離子)、樹脂、殺菌系統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);">水質指標</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;">超純水的電導率極低,通常為0.056μs/cm或更低,電阻率則能達到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。</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);">應用領域與實驗條件</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、玻璃等領域也有廣泛應用。</span></p></li><li><p style="text-align: left;"><span style="font-size: 16px;">在這些領域中,實驗或生產對水質純度有極高要求,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國產實驗室純水機、超純水機,為科研分析助力!</span></p></ul>Tue, 27 Jan 2026 14:44:34 +0800
- 毛細管柱使用一段時間柱效降低怎么回事?http://www.dlrjn.cn/?id=211<p><span style="font-size: 16px;">有用戶反饋使用一段時間的<a href="http://www.dlrjn.cn/?cate=16" target="_self">毛細管柱</a>出現柱效降低情況,峰高低,峰拖尾,跑基線不穩等。技術排查可能是用戶操作不當造成的。拆下柱子會發現管壁上出現黑點。<br/></span></p><p><strong><span style="font-size: 16px;">主要可能的不當操作有:</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作用,導致固定相被破壞;</span></p><p><span style="font-size: 16px;">③色譜柱沒有使用儲存時未密封,導致空氣中氧氣或水汽進入,使用時沒有先低溫吹掃色譜柱,直接升至高溫導致固定相被破壞;</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,通常都會導致極性毛細管柱壽命較短。</span></p><p><strong style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">如何維護可以延長</strong><strong style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">極性</strong><strong style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">毛細管柱使用壽命?</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, "Microsoft YaHei"; 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, "Microsoft YaHei"; 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, "Microsoft YaHei"; 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℃。達終點溫度后恒溫1~2 小時或更長,至基線穩定即可。如基線始終不穩,或空白程序升溫時始終出現雜峰鬼峰,應檢漏并更換進樣墊和襯管、檢查進樣口及檢測口是否污染,必要時進行適當清洗。</span></p><p><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"> </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, "Microsoft YaHei"; 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, "Microsoft YaHei"; font-size: 16px;">將毛細管色譜柱從GC 上卸下來之后,應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。只有在關閉柱溫箱、進樣器、檢測器和傳輸管線的加熱系統時,才可以關閉(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生損壞。</span></p><p><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"> </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, "Microsoft YaHei"; 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, "Microsoft YaHei"; font-size: 16px;">載氣流路(例如氣路、接頭、進樣器)中的泄漏往往是暴露在氧中的源頭。隨著色譜柱的加熱,會很快地損壞固定相。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)。一般發現時色譜柱的固定相通常已經被破壞了,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, "Microsoft YaHei"; font-size: 16px;">因此我們日常需要經常對GC系統進行維護,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.dlrjn.cn/?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, "Microsoft YaHei"; font-size: 16px;"> </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
- 新歲序開,共赴新篇 | 山東鑫之恒祝您元旦快樂,萬事勝意!http://www.dlrjn.cn/?id=209<p data-pm-slice="2 2 []" style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em; text-align: center;"><span leaf="" data-remoteid="" data-asynid="" src data-src="" align="" alt="" border="" class="rich_pages wxw-img" data-ratio="" data-s="300,640" data-type="png" data-w="" aria-label="" aria-braillelabel="" aria-description="" height="" hspace="" ismap="" opacity="" sizes="" title="" type="block" usemap="" vspace="" width="" data-width="" data-height="" data-croporisrc="" data-cropx1="" data-cropx2="" data-cropy1="" data-cropy2="" data-cropselx1="" data-cropselx2="" data-cropsely1="" data-cropsely2="" data-backw="" data-backh="" data-copyright="" data-oversubscription-url="" data-before-oversubscription-url="" data-galleryid="" data-gallerysupplier="" data-cardimg="" data-fileid="" data-imgfileid="100001868" data-positionback="" data-imgqrcoded="" data-imgid="" data-upload="" data-fromlib="" data-aiimageid="" data-aiimagesource="" data-cacheurl="" data-retry="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">?? 元旦啟新章,萬象赴新程 ??</span></span></p><p data-pm-slice="0 0 []" style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;"> 時光輾轉,歲序更新,我們即將告別充實的2025年,滿懷憧憬迎來2026年!</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">回首過往,每一份成就的鑄就,都離不開客戶伙伴的信任與托付,離不開協作廠商的大力支持,離不開山東鑫之恒儀器全體員工的并肩奮斗與同心堅守。我們攜手穿越風雨,在創新突破中深耕不輟,在品質堅守中步履鏗鏘,每一步前行都鐫刻著初心與擔當。</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em;"><br style="box-sizing: border-box; margin: 0px;"/></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em; text-align: center;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">愿新歲,春祺夏安,秋綏冬禧;</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em; text-align: center;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">愿我們,歲歲常歡愉,年年皆勝意;</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em; text-align: center;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">愿未來,初心如磐,共赴新程!</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em; text-align: center;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">?? 新年快樂,闔家幸福! ??</span></span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px; line-height: 1.5em;"><span leaf="" style="box-sizing: border-box; margin: 0px;"><span textstyle="" style="box-sizing: border-box; margin: 0px; font-size: 17px;"><br style="box-sizing: border-box; margin: 0px;"/></span></span> <span leaf="" style="box-sizing: border-box; margin: 0px; font-size: 17px;">2026年,山東鑫之恒儀器將繼續懷揣對熱愛與責任,以堅定的信念、創新的姿態,深耕氣相色譜分析領域,賦能行業發展,不負每一份期待與信賴。</span></p><p style="box-sizing: border-box; margin-top: 0px; margin-bottom: 0px; padding: 0px;"><br style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; text-wrap: wrap; background-color: rgb(255, 255, 255);"/></p><p><br/></p>Wed, 31 Dec 2025 14:20:16 +0800
- 液相色譜儀開機具體操作看這里!http://www.dlrjn.cn/?id=208<section tpl-ratio="93" data-tools="小墨鷹編輯器" powered-by="xmyeditor.com" data-pm-slice="0 0 []"><section style="background-color: #fff;" powered-by="xmyeditor.com"><section data-id="200280" data-type="lspecial04" powered-by="xmyeditor.com" act1="xmy"><section powered-by="xmyeditor.com"><section style="display: inline-block;vertical-align:middle;" powered-by="xmyeditor.com"><section style="width:22px;margin: 5px 0 -10px -50px;line-height:2px;" powered-by="xmyeditor.com" act1="xmy" nodeleaf=""></section></section><section powered-by="xmyeditor.com"><section powered-by="xmyeditor.com"><p></p><p><strong><span style="color: #000000; font-size: 16px;">液相色譜儀</span></strong><span style="color: #000000; font-size: 16px;">開機操作需遵循標準化流程,以確保系統穩定和數據準確。以下是<a href="http://www.xinzhiheng17.com" target="_self"><strong>山東鑫之恒儀器</strong></a>-<strong>氣相色譜分析</strong>技術分享的操作步驟!</span><span style="color: #000000;"> </span></p><p><span style="color: #000000;"> <span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1;"> 流動相準備與替換</span></span></p></section></section></section></section><section data-id="200272" style="width: 93%;margin: 0 auto;" powered-by="xmyeditor.com" act1="xmy"><section style="color: rgb(51, 51, 51); letter-spacing: 1px; line-height: 24px;" powered-by="xmyeditor.com"><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000;">有機相</span>:(如乙腈、甲醇):使用 HPLC級溶劑,經 0.22um有機濾膜過濾. </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">水相:</span>(如緩沖鹽、酸/堿溶液) </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">用超純水配制:</span>(電阻率>18.2 MΩ.cm) </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;">濾前超聲脫氣 15 分鐘,避免產生氣泡,再經 0.22 um 水相濾膜過濾</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">注意事項: </span>含鹽流動相需現配現用,防止微生物滋生或鹽析出。標注流動相成分、pH、配制日期。 </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">替換流動相瓶:</span>關閉泵(防止吸入氣泡)取下舊流動相瓶,用新流動相潤洗瓶口和管路接口3次,安放新流動相瓶,確保管路浸入液面下(避免吸入氣泡)</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="background-color: #E7EAE1; font-size: 16px; font-weight: bold; color: #000000;"><br/></span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="background-color: #E7EAE1; font-size: 16px; font-weight: bold; color: #000000;">開機與系統準備</span></p></section></section><section data-id="200280" data-type="lspecial04" powered-by="xmyeditor.com" act1="xmy"><section style="text-align: left;" powered-by="xmyeditor.com"><br/></section></section><section data-id="200272" style="width: 93%;margin: 0 auto;" powered-by="xmyeditor.com" act1="xmy"><section powered-by="xmyeditor.com"><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000;">開機順序: </span> 打開電腦,啟動 Agilent OpenLab CDs 軟件。 </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">開啟儀器電源:</span>泵→自動進樣器→柱溫箱→檢測器(DAD/VWD)。 </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">系統初始化/自檢:</span>等待各模塊狀態顯示“就緒" </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">灌注流動相(Purge):</span>設置泵為“灌注模式”(打開 Purge 閥,流速5 mL/min).依次灌注 A/B/C/D 四通道,每通道灌注3分鐘,排出管路氣泡。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">關鍵點:</span>灌注后,流速為0,關閉Purge閥,再恢復流速至正常值(如 1.0 mL/min) </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">色譜柱安裝:</span> 確認色譜柱流向(箭頭方向與流動相流向一致)連接色譜柱,手動擰緊(避免過緊導致漏液或損壞接口)設置流動相比例(如初始條件:95%水相+5%乙腈)流速逐步升高至工作流速(如 0.5→1.0 mL/min,每次增加0.2mL/min,間隔5分鐘) </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">平衡時間:</span>新柱至少 30分鐘(或至基線平穩);換流動相后平衡 15 分鐘。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">注意事項:</span>含鹽流動相替換為高有機相時,!需過渡沖洗(如先用10%甲醇過渡)監測柱壓波動(正常波動范圍±10%)</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">壓力異常處理</span>:檢查是否漏液或流動相未充分脫氣管路內是有明顯氣泡,管路溶劑濾頭是否堵塞,流動相是否足夠,溶劑濾頭再液面以下,安捷倫的過濾小白頭是否定期更換,以上處理方法未解決異常需要考慮維護儀器單向閥、更換柱塞桿密封圈。</span></p><section powered-by="xmyeditor.com"><section powered-by="xmyeditor.com"><p><br/></p></section></section><section powered-by="xmyeditor.com" style="font-size: 16px; background-color: rgb(231, 234, 225); text-align: center; display: inline-block; vertical-align: middle;"><section style="display: inline-block;vertical-align:middle;" powered-by="xmyeditor.com"><p><span style="font-weight: bold; color: #000000;">系統沖洗與測試進樣</span></p></section></section></section></section><section data-id="200280" data-type="lspecial04" powered-by="xmyeditor.com" act1="xmy"><section style="text-align: center;" powered-by="xmyeditor.com"><br/></section></section><section data-id="200272" style="width: 93%;margin: 0 auto;" powered-by="xmyeditor.com" act1="xmy"><section style="color: rgb(51, 51, 51); letter-spacing: 1px; line-height: 24px;" powered-by="xmyeditor.com"><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000;">系統沖洗:</span>若流動相含緩沖鹽,實驗結束后需以高水相(如 90%水 +10%甲醇)沖洗 30分鐘,再過渡至高有機相保存。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">空白進樣測試: </span>進樣 20μL純溶劑(如流動相),運行分析方法,確認無雜峰、基線平穩。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">基線異常處理:</span>若出現鬼峰:檢查流動相污染或管路殘留,重新沖洗系統。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">基線漂移:</span>檢查柱溫穩定性或流動相未充分脫氣,流通池污染流動相有長菌或結晶物質。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1; text-align: center; color: #000000;"><br/></span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1; text-align: center; color: #000000;">樣品分析與數據采集</span></p></section></section><section data-id="200280" data-type="lspecial04" powered-by="xmyeditor.com" act1="xmy"><section style="text-align: center;" powered-by="xmyeditor.com"><br/></section></section><section data-id="200272" style="width: 93%;margin: 0 auto;" powered-by="xmyeditor.com" act1="xmy"><section style="color: rgb(51, 51, 51); letter-spacing: 1px; line-height: 24px;" powered-by="xmyeditor.com"><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000;">樣品準備:</span>樣品經 0.22 μm 濾膜過濾,裝入進樣瓶(避免過滿,液面距瓶囗≥5 mm)。樣品瓶可分為預開口和不預開口樣品瓶,可根據樣品特性和儀器特性進行選擇。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">方法設置:</span>創建新方法文件</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">設置參數泵:</span>流動相比例、流速(如1.0 mL/min)</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">柱溫箱:</span>溫度(如 30°C)</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">檢測器:</span>波長(如 280 nm)、采樣速率(如 2 Hz)</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">自動進樣器:</span>進樣體積(如 20 μL)、洗針次數(如 3次). </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">運行序列:</span>在序列表中添加樣品信息(名稱、位置、方法文件)點擊“運行序列”,實時監測色譜圖與壓力曲線。運行序列前務必要檢查樣品位置與序列表一致,方法設置是否一致,流動相管路有沒有放置錯誤,壓力和基線是否正常,上述檢查無異常后開始運行序列。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1; text-align: center; color: #000000;"><br/></span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1; text-align: center; color: #000000;">結束操作與關機</span></p></section></section><section data-id="200280" data-type="lspecial04" powered-by="xmyeditor.com" act1="xmy"><section style="text-align: center;" powered-by="xmyeditor.com"><br/></section></section><section data-id="200272" style="width: 93%;margin: 0 auto;" powered-by="xmyeditor.com" act1="xmy"><section style="color: rgb(51, 51, 51); letter-spacing: 1px; line-height: 24px;" powered-by="xmyeditor.com"><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000;">系統沖洗:</span>實驗結束后,以高比例有機相(如 90%乙腈)沖洗色譜柱30 分鐘,去除殘留。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">含鹽流動相:</span>先用水相沖洗 30 分鐘,再過渡到有機相。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">色譜柱保存:</span>反相柱:保存在 90%以上甲醇或乙腈中,拆卸后兩端密封,正相柱:保存在正已烷中(需根據柱類型調整) </span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">關機順序:</span>軟件中關閉流速,停止泵。關閉檢測器→柱溫箱一自動進樣器一泵。 退出軟件,關閉電腦及儀器電源,</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1; text-align: center; color: #000000;"><br/></span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="font-weight: bold; font-size: 16px; background-color: #E7EAE1; text-align: center; color: #000000;">日常維護清單</span></p></section></section><section data-id="200280" data-type="lspecial04" powered-by="xmyeditor.com" act1="xmy"><section style="text-align: center;" powered-by="xmyeditor.com"><br/></section></section><section data-id="200272" style="width: 93%;margin: 0 auto;" powered-by="xmyeditor.com" act1="xmy"><section style="color: rgb(51, 51, 51); letter-spacing: 1px; line-height: 24px;" powered-by="xmyeditor.com"><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000;">每日:</span>檢查流動相余量(特別是需要過夜運行)、清潔自動進樣器外表面,檢查廢液瓶中廢液量及時清理廢液。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px;"><span style="color: #000000; font-size: 16px;"><span textstyle="" style="font-weight: bold; color: #000000; font-size: 16px;">每周:</span>更換在線過濾器濾芯,沖洗自動進樣針。每月:執行泵密封圈潤滑,檢測檢測器燈能量,建議結合儀器說明書與實驗室 SOP 靈活調整!</span></p></section></section></section></section><p><section act1="xmy"><p><br/></p></section></p><p><br/></p>Mon, 29 Dec 2025 09:16:19 +0800
- 毛細管色譜分析時為何用尾吹?http://www.dlrjn.cn/?id=207<p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; line-height: 24px; border: 0px; font-family: "Microsoft jas black"; text-wrap: wrap; text-indent: 2em;"><strong><span style="padding: 0px; margin: 0px; line-height: 24px; border: 0px; font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">毛細管色譜分析時為何用尾吹?尾吹氣</span></strong><span style="padding: 0px; margin: 0px; line-height: 24px; border: 0px; font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">是從色譜柱出口直接進入檢測器的一路氣體,又叫補充氣或輔助氣。填充柱不用尾吹氣,而毛細管大多采用尾吹氣。這是因為毛細管柱內載氣流量太低(常規為1~3ml/min),不能滿足檢測器的操作條件(一般檢測器要求20ml/min的載氣流量)。在<a href="https://www.chem17.com/st617522/erlist_2585400.html" target="_self"><strong>氣相色譜柱</strong></a>后增加一路載氣直接進入檢測器,就可保證檢測器在高靈敏度狀態下工作。尾吹氣的另一個重要作用是消除檢測器的死體積的柱外效應。經分離的化合物流出色譜柱后,可能由于管道體積的增大而出現體積膨脹,導致流速緩慢,從而引起譜帶展寬。加入尾吹氣后就消除了這一現象。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; line-height: 24px; border: 0px; font-family: "Microsoft jas black"; text-wrap: wrap; text-indent: 2em;"><span style="padding: 0px; margin: 0px; line-height: 24px; border: 0px; font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;"><strong>尾吹氣流量</strong>多少合適呢?這要看所用檢測器和色譜柱的尺寸而定。比如,用0.53mm大口徑柱時,柱內流量可達15ml/min,這對微型TCD和單絲TCD來說已經夠大了,就沒有必要再加尾吹氣了。而對于FID、NPD、FPD則需要至少10ml/min的尾吹氣的流量,對于ECD檢測器就需要20ml/min的尾吹氣(ECD一般需要載氣總流量大于25ml/min)。使用常規或微徑柱時,尾吹氣流量應相應加大。經驗參考值為:FID、NPD、FPD需要柱內載氣和尾吹氣的流量之和為30ml/min左右,ECD則需要40~60ml/min。當需要在高靈敏度狀態下工作時,應針對具體樣品優化尾吹氣流量以及其他氣體流量。一般情況下尾吹氣所用氣體類型應與載氣相同。</span></p><p style="padding: 0px; margin-top: 0px; margin-bottom: 0px; line-height: 24px; border: 0px; font-family: "Microsoft jas black"; text-wrap: wrap; text-indent: 2em;"><span style="padding: 0px; margin: 0px; line-height: 24px; border: 0px; font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 16px;">測定尾吹氣流量是在安裝好色譜柱后,在檢測器出口處用皂膜流量計測定的。注意,測定尾吹氣流量時要關閉其他氣體(如使用FID時要關閉空氣和氫氣),用0.32mm以下內徑的色譜柱時,可不關閉柱內載氣,這時測得的流量為柱內載氣和尾吹氣流量之和。</span></p><p><br/></p>Tue, 23 Dec 2025 09:11:33 +0800
- 石墨墊對氣相色譜分析的影響選用及處理方法http://www.dlrjn.cn/?id=206<p><span style="font-size: 16px;">石墨墊對氣相色譜分析的影響選用及處理方法</span></p><p><span style="font-size: 16px;">1.影響:樣品分析采用程序升溫時會出現基線漂移,檢出鬼峰;定性、定量、重現性差(因石墨墊漏氣造成)</span></p><p><span style="font-size: 16px;">2.原因::</span></p><p><span style="font-size: 16px;">(1)生產材料難免有雜質</span></p><p><span style="font-size: 16px;">(2)長期放置吸附雜質</span></p><p><span style="font-size: 16px;">3.解決方法:</span></p><p><span style="font-size: 16px;">(1)放入恒溫400℃的色譜柱箱中處理2-3小時</span></p><p><span style="font-size: 16px;">(2)放入具有藍色火焰中,使之赤紅1-2秒鐘</span></p><p><span style="font-size: 16px;">4.通過實驗選擇材質比較優的石墨墊</span></p><p><span style="font-size: 16px;">5.注意存放地點與環境</span></p><p><br/></p>Wed, 17 Dec 2025 11:10:54 +0800