Comparison of screening methods for the estimation of adsorption coefficients on soil |
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Authors: | M Müller W Kördel |
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Institution: | Fraunhofer-Institut für Umweltchemie and Ökotoxikologie 57377, Schmallenberg-Grafschaft, Germany |
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Abstract: | The HPLC screening method for estimating soil sorption coefficients was compared to other QSAR approaches based on log Pow, connectivity indices, molar refraction and molecular fragment approaches. For the data set under consideration (66 compounds from different chemical classes) only the HPLC screening method and, to a lesser extend, the log Pow method proved to be suitable for predicting soil sorption coefficients with acceptable accuracy. The HPLC method and the regression with log Pow were then cross-validated. |
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