Accurate-mass identification of chlorinated and brominated products of 4-nonylphenol, nonylphenol dimers, and other endocrine disrupters.


LC/ToF-MS was used to identify new chlorination and bromination products of 4-nonylphenol (4-NP), such as 4-NPBr2, 4-NPBrCl, 4-NP dimer (2 isomers), 4-NPCl dimer (2 isomers), 4-NPBr dimer, and a series of methoxy bromo and chloro 4-NPs from a laboratory study of nonylphenol chlorination. The identification procedure used the exact mass, exact mass of the… (More)


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