SORPTION OF POLYCHLORINATED-BIPHENYLS ON MARINE-SEDIMENTS .2. EFFECT OF THE REMOVAL OF SEDIMENT ORGANIC-MATTER

被引：5
作者：
LARA, R
ERNST, W
机构：
[1] Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, 2850, Columbusstraße
来源：
ENVIRONMENTAL TECHNOLOGY | 1990年 / 11卷 / 01期
关键词：
D O I：
10.1080/09593339009384842
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The sediment‐water partition coefficients of 18 polychlorinated biphenyl (PCB) congeners were determined for marine sediments whose organic matter had been oxidatively removed. The results were compared with those previously determined for the same but untreated sediments. The removal of organic matter resulted in a decrease of the partition coefficients, more marked for those congeners with a relative lower degree of chlorination. The sorption of PCBs on the mineral particles whose organic matter has been removed becomes increasingly significant as the hydrophobicity of the PCBs and the percentage of silt‐clay fraction of the sediments increase. © 1990 Publications Division Selper Ltd.
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页码：93 / 97
页数：5
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