两亲性聚离子液体膜微萃取-液相色谱-串联质谱法测定水中5种氯酚
发布时间:2018-11-29 07:30
【摘要】:采用两亲性聚离子液体膜微萃取-液相色谱-串联质谱法测定水中5种氯酚的含量。以Shim-pack XR-ODS Ⅱ色谱柱为分离柱,以不同体积比的0.005mol·L~(-1)乙酸铵溶液和甲醇-乙腈(1+4)溶液的混合液为流动相进行梯度洗脱,采用电喷雾负离子源多反应监测模式检测。方法的检出限(3S/N)为0.33~5.4ng·L~(-1)。加标回收率为86.4%~99.1%,测定值的日内相对标准偏差(n=6)为0.80%~8.2%,日间相对标准偏差(n=6)为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,
本文编号: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,
本文编号:2364326
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