Occurrences and distribution characteristics of organophosphate ester flame retardants and plasticizers in the sediments of the Bohai and Yellow Seas, China

The Science of the Total Environment
Mingyu ZhongZhiyong Xie

Abstract

Concentrations and distribution characteristics of organophosphate esters (OPEs) in surface sediment samples were analyzed and discussed for the first time in the open Bohai Sea (BS) and Yellow Sea (YS). Three halogenated OPEs [tris-(2-chloroethyl) phosphate (TCEP), tris-(1-chloro-2-propyl) phosphate (TCPP), and tris-(1,3-dichloro-2-propyl) phosphate (TDCPP)] and five non-halogenated OPEs [tri-isobutyl phosphate (TiBP), tri-n-butyl phosphate (TnBP), tripentyl phosphate (TPeP), triphenyl phosphate (TPhP) and tris-(2-ethylhexyl) phosphate (TEHP)] were detected in this region. The concentrations of eight OPEs in total (Σ8OPEs) ranged from 83 to 4552pgg-1dry weight (dw). The halogenated OPEs showed higher abundances than the non-halogenated ones did, with TCEP, TCPP, and TEHP the main compounds. Generally, concentrations of OPEs in the BS were higher than those in the YS. Riverine input (mainly the Changjiang Diluted Water (CDW)) and deposition effect in the mud areas might have influenced the spatial distributions of OPEs. Correlation between OPE concentrations and total organic carbon (TOC) indicated TOC was an effective indicator for the distribution of OPEs. Inventory analysis of OPEs implied that sea sediment might not be the ...Continue Reading

Citations

May 28, 2019·Archives of Environmental Contamination and Toxicology·Zhenyong ZhangGang Xu
Jun 20, 2020·Environmental Science and Pollution Research International·Jesudass SuthaZongming Ren
Feb 27, 2021·Environmental Monitoring and Assessment·Enmiao JiaoYanling Qiu
Aug 12, 2019·The Science of the Total Environment·Melissa A MorganCynthia K Larive
Sep 16, 2020·The Science of the Total Environment·Aurea C Chiaia-HernándezJuliane Hollender
Aug 12, 2021·Environmental Science and Pollution Research International·Tadiyose Girma BekeleAbdul Qadeer
Jun 28, 2019·Environmental Science & Technology·Natascha SchmidtRichard Sempéré
Aug 25, 2021·Environmental Monitoring and Assessment·Karina Caballero-GallardoAna Juan-García
Feb 15, 2019·The Science of the Total Environment·Lijie MiJianhui Tang

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