Abstract

Sorption phenomena exert important influences on the environmental fate of anthropogenic organic substances. Under these conditions, the aim of this study was to propose a general QSAR model using the physicochemical properties of the molecules (i.e. log K ow and pKa) and some relevant properties of soils or sediments (i.e. pH and %OC) to estimate the sorption behavior of both ionized and non-ionized chemicals. The proposed model was elaborated from 229 K p values recorded for 53 chemicals. The model was then tested on 500 other K p values obtained for 87 chemicals.

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