Rapid SPME/LC/MS/MS Analysis of N-Methylcarbamate Pesticides in Water

被引：0
|
作者：
D. A. Volmer
J. P. M. Hui
机构：
[1] Institute for Marine Biosciences,
[2] National Research Council,undefined
[3] 1411 Oxford Street,undefined
[4] Halifax,undefined
[5] Nova Scotia B3H 3Z1,undefined
[6] Canada ,undefined
来源：
Archives of Environmental Contamination and Toxicology | 1998年 / 35卷
关键词：
Mass Spectrometry; Drinking Water; Ionic Strength; Tandem Mass; Tandem Mass Spectrometry;
D O I：
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中图分类号：
学科分类号：
摘要：
Solid-phase microextraction combined with fast short-column liquid chromatography/electrospray ionization tandem mass spectrometry (SPME/LC/MS/MS) was used for isolating and analyzing nine N-methylcarbamate pesticides from water samples. Several SPME parameters, such as polarity of fibers, extraction time, and effect of ionic strength, were investigated and their impact on the SPME/LC/MS/MS technique was studied. The method was shown to be sensitive with detection limits between 0.3 and 1.9 μg/L and reproducible with precision between 4.5 and 12.7% RSD. The versatility of the method was exhibited by its excellent linearity in the concentration range of 2–2,000 μg/L in drinking water. A comparison of the SPME/LC/MS/MS method with LC/MS/MS methods utilizing traditional sample preparation techniques shows that the former offers similar performance in terms of precision and linearity, but is clearly easier to use and faster to perform.
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页码：1 / 7
页数：6
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