期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1134, 期 1-2, 页码 170-176出版社
ELSEVIER
DOI: 10.1016/j.chroma.2006.08.081
关键词
water analysis; phenylurea compounds; liquid chromatography; electrospray ionization; mass spectrometry; solid-phase extraction
A liquid chromatography/electrospray ionization/mass spectrometry method was reported for the compliance analysis of seven phenylurea compounds and two related herbicides (tebuthiuron and propanil) in drinking water. The volumes of the sample and final extract used in the method were 500 mL and 10 mL, respectively. The obtained method detection limits were less than 0.03 mu g/L, and the mean recoveries were 74-128% with a relative standard deviation of 2.6-8.3% for all the studied compounds. The peak-to-peak signal-to-noise ratios ranged from 3.3 for cis-siduron to 34.2 for fluometuron. The accuracy and precision resulting from reagent and drinking water samples fortified at higher concentration levels were similar to these results. Several analytes were detected in the drinking water samples, including tebuthiuron at 0.5 mu g/L, propanil at 0.7 mu g/L, diuron at 0.1-2.1 mu g/L, and linuron at 0.1-0.8 mu g/L. (c) 2006 Elsevier B.V. All rights reserved.
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