EXPERIMENTAL PROBLEMS IN DETERMINING SORPTION COEFFICIENTS OF ORGANIC-CHEMICALS - AN EXAMPLE FOR CHLOROBENZENES

被引：25

作者：

SCHRAP, SM ^{[1
]}

DEVRIES, PJ ^{[1
]}

OPPERHUIZEN, A ^{[1
]}

机构：

[1] MINIST TRANSPORT PUBL WORKS & WATER MANAGEMENT,DIV TIDAL WATERS,2500 EX THE HAGUE,NETHERLANDS

来源：

CHEMOSPHERE | 1994年 / 28卷 / 05期

关键词：

D O I：

10.1016/0045-6535(94)90010-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Sorption of five chlorinated benzenes have been determined for a lake sediment. Sorption isotherms are linear over the tested aqueous concentrations ranges (three orders of magnitude), which supports the sorption partitioning model. Sorption coefficients of the chlorobenzenes are compared to the results of other sorption studies on the basis of sorption coefficient ratios and are consistent with literature data. In this study emphasis is on the experimental problems in determining sorption coefficients. Sediment extractions and experimental conditions such as equilibrium period, water-sediment separation and water/sediment ratio may influence sorption results. These possible experimental artefacts are investigated in this study in order to have better insight in the influence of the experimental artefacts and consequently in the spread of the experimental sorption coefficients.

引用

页码：931 / 945

页数：15

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