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A critical examination of data, assumptions and statistical approaches for previously published QSARs for the octanol-water and soil-water partition coefficients of polychlorinated biphenyl congeners identified a number of error sources. A variety of new QSARs was developed based on a weighted homogeneity of slopes models. The best type of models used the degree of chlorination in the orthoposition of the PCB molecule as predictor variable together with either calculated molecular total surface area or the gaschromatographic relative retention times.

Additional information

Authors: EI, ;JRC-ISPRA (IT),
Bibliographic Reference: Article: Chemosphere (1999)
Record Number: 199911632 / Last updated on: 1999-11-29
Original language: en
Available languages: en
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