Widespread Occurrence and Transport of <i>p</i>-Phenylenediamines and Their Quinones in Sediments across Urban Rivers, Estuaries, Coasts, and Deep-Sea Regions

Zeng, Lixi; Li, Yi; Sun, Yuxin; Liu, Liang‐Ying; Shen, Mingjie; Du, Bibai

doi:10.1021/acs.est.2c07652

Public

Widespread Occurrence and Transport of p-Phenylenediamines and Their Quinones in Sediments across Urban Rivers, Estuaries, Coasts, and Deep-Sea Regions

Published in Environmental Science & Technology • Jan 31, 2023

Authors:

Lixi Zeng

Yi Li

Yuxin Sun

Abstract

p -Phenylenediamines (PPDs) are widely used as antioxidants in tire rubber, and their derived quinone transformation products (PPD-Qs) may pose a threat to marine ecosystems. A compelling example is N -(1,3-dimethylbutyl)- N ′-phenyl- p -phenylenediamine (6PPD)-derived quinone, called 6PPD-Q, as the...

Subject

Estuary

Environmental science

Sedimentary rock

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