COMPARISON OF GRAIN-SIZE CORRECTION PROCEDURES FOR ORGANIC MICROPOLLUTANTS AND HEAVY-METALS IN MARINE-SEDIMENTS

被引:64
作者
KLAMER, JC [1 ]
HEGEMAN, WJM [1 ]
SMEDES, F [1 ]
机构
[1] STATE UNIV UTRECHT,INST EARTH SCI,3508 TA UTRECHT,NETHERLANDS
关键词
GRAIN SIZE CORRECTION; ORGANIC MICROPOLLUTANTS; HEAVY METALS; SEDIMENTS;
D O I
10.1007/BF00007786
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Four grain size correction procedures were tested for their applicability for comparing concentrations of heavy metals and organic micropollutants (PCBs, PAHs) in sediments. A simple and straightforward procedure proved best: wet sieving of fresh sediment, isolating and analysing the < 63-mu-m grain size fraction and expressing the pollutant concentration as a proportion of the fraction's dry weight. The total analytical errors, expressed as the variation coefficient of the average concentrations, were 3.8-7.6% for heavy metals, 12-24% for PCBs and 5.3-9.9% for PAHs.
引用
收藏
页码:213 / 220
页数:8
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