Liquid chromatographic-tandem mass spectrometric determination of nonylphenol polyethoxylates and nonylphenol carboxylic acids in surface water

被引:57
作者
Houde, F
DeBlois, C
Berryman, D
机构
[1] Ctr Expertise Analyse Environm Quebec, St Foy, PQ G1P 3W8, Canada
[2] Minist Environm Quebec, Quebec City, PQ, Canada
关键词
water analysis; tandem mass spectrometry; nonylphenol polyethoxylates; nonylphenol carboxylic acids; surfactants;
D O I
10.1016/S0021-9673(02)00661-1
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
This paper presents a new LC-MS-MS method for the determination of the concentration of nonylphenol ethoxylates (NPEOs) and nonylphenol carboxylic acids (NPECs) in surface and drinking water using a reversed-phase column, which is fast and specific by nature. This method allows the simultaneous analysis of the two families of compounds in the same extract. Liquid-solid extraction of 100 ml of sample is performed on graphitized carbon black (GCB) cartridges. Reversed-phase chromatography is performed on a C. column with isocratic elution. The electrospray interface is used to monitor the [M+NH4](+) ion for NPEOs and the [M-H](-) ion for NPECs. Detection limits range from 0.01 to 0.05 mug/l for NP(1 - 17)EOs and are 0.01 mug/l for NP(1 -2)ECs. Mean recoveries range from 78 to 107% with relative standard deviations ranging from 6 to 16%. Applicability of the method is demonstrated by results from a monthly sampling of river water at I I sampling points located downstream of suspected polluting industries in Quebec (Canada). (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:245 / 256
页数:12
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