[The transformation of nonylphenol ethoxylates in sewage treatment].

Abstract

The concentrations of individual NPnEO (n > 2) were separated and analyzed by normal phase liquid chromatograph-mass spectrometry (NPLC-MS), and those of NP, NP1EO and NP2EO were determined by GC-MS. NP and NPnEO (n = 1-23) were found in the influent water, and the concentration of total NPnEO was 174 nmol/L. Of NPnEO, the abundance of NP2EO (89.6 nmol/L… (More)

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