Rapid analysis of organic microcontaminants in environmental water samples by trace enrichment and liquid chromatography on a single short column

被引:18
作者
Hogenboom, AC
Malmqvist, UK
Nolkrantz, K
Vreuls, JJ
Brinkman, UAT
机构
[1] Free University, Department of Analytical Chemistry, 1081 HV Amsterdam
[2] University of Uppsala, S-75121 Uppsala
[3] University of Umeå, Kemiska Inst.
关键词
environmental analysis; sample handling; water analysis; pesticides; polynuclear aromatic hydrocarbons;
D O I
10.1016/S0021-9673(96)00755-8
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
On-column trace enrichment and liquid chromatography using a single short (20 mm length) high-pressure packed column was optimized for the rapid simultaneous identification and quantification of a wide range of organic microcontaminants in environmental water samples. The quality of different C-18 bonded silica packing materials in terms of their performance (i.e., peak capacity, repeatability) and enrichment/extraction characteristics (i.e., recovery, selectivity) was tested. With 15-ml samples, limits of detection of 0.1-0.4 mu g/l and 0.5-1.1 mu g/l were achieved for tap and surface water, respectively. The applicability of the system was demonstrated by the screening of real environmental samples and the provisional identification of unknowns.
引用
收藏
页码:55 / 64
页数:10
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