Aqueous chlorination and ozonation studies I. Structure-toxicity correlations of phenolic compounds to Daphnia magna

Herbert L. Kopperman, Robert M Carlson, Ronald Caple

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Abstract

A correlation showing the dependency of the observed biological activity (LC50) of a series of phenols to the free energy related terms, π, F and R (field and resonance), which are specific for each compound, has been observed for the freshwater invertebrate, Daphnia magna. A series of 14 phenols was investigated and with F and R considered to be additive terms the following correlation was obtained. Log 1/c = 0.500 π + 0.453 F + 0.636 R + 3.731 r = 0.978 In those phenols containing chlorine it was noted the toxicity increased with increased chlorine content.

Original languageEnglish (US)
Pages (from-to)245-251
Number of pages7
JournalChemico-Biological Interactions
Volume9
Issue number4
DOIs
StatePublished - Oct 1974

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