兩親性聚離子液體膜微萃取-液相色譜-串聯(lián)質(zhì)譜法測定水中5種氯酚
發(fā)布時間:2018-11-29 07:30
【摘要】:采用兩親性聚離子液體膜微萃取-液相色譜-串聯(lián)質(zhì)譜法測定水中5種氯酚的含量。以Shim-pack XR-ODS Ⅱ色譜柱為分離柱,以不同體積比的0.005mol·L~(-1)乙酸銨溶液和甲醇-乙腈(1+4)溶液的混合液為流動相進行梯度洗脫,采用電噴霧負離子源多反應監(jiān)測模式檢測。方法的檢出限(3S/N)為0.33~5.4ng·L~(-1)。加標回收率為86.4%~99.1%,測定值的日內(nèi)相對標準偏差(n=6)為0.80%~8.2%,日間相對標準偏差(n=6)為1.7%~8.7%。
[Abstract]:The content of 5 chlorophenols in water was determined by amphiphilic polyionic liquid membrane microextraction-liquid chromatography-tandem mass spectrometry. The Shim-pack XR-ODS 鈪,
本文編號:2364326
[Abstract]:The content of 5 chlorophenols in water was determined by amphiphilic polyionic liquid membrane microextraction-liquid chromatography-tandem mass spectrometry. The Shim-pack XR-ODS 鈪,
本文編號:2364326
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