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Previously we have presented aquatic toxicity data for the class of anionic surfactant ester sulphonates (ES) to Daphnia magna. We now present toxicity data for binary mixtures of ES substances with reference substances of known mode of action. Using a toxic unit (TU) approach, data indicated that ES substances exhibit concentration addition with linear alkylbenzene sulphonate (LAS) and phenols and...
This paper develops quantitative structure activity relationships (QSARs) for the acute aquatic toxicity of the anionic surfactants linear alkylbenzene sulphonates (LAS) and ester sulphonates (ES) to Daphnia magna, the aim being to investigate the modes of action by comparing the QSARs for the two types of surfactant. The generated data for ES have been used to develop a QSAR correlating toxicity...
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