Organophosphate ester in surface water of the Pearl River and South China Sea, China: Spatial variations and ecological risks

被引：3
|
作者：
Sun, Haofeng [1 ]
Mi, Wenying [2 ]
Li, Xunmeng [1 ]
Wang, Shuaiqing [1 ]
Yan, Jiehui [1 ]
Zhang, Guangyang [1 ]
机构：
[1] National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan,316022, China
[2] MINJIE Institute of Environmental Science and Health Research, Geesthacht,21502, Germany
来源：
Chemosphere | 2024年 / 361卷
关键词：
This study focused on investigating the concentrations; compositional profiles; partitioning behaviors and spatial variations of organophosphate esters (OPEs) in the Pearl River (PR); South China Sea (SCS) region; to evaluate their environmental risks. ∑OPEs concentrations in the surface water of the PR ranged from 117.5 to 854.8 ng/L in the dissolved phase and from 0.5 to 13.3 ng/L in the suspended particulate matter. In the surface seawaters of the northern and western parts of the SCS; ∑OPEs concentrations were 1.3–17.6 ng/L (mean: 6.7 ± 5.2) and 2.3–24.4 ng/L (mean: 7.6 ± 5.5); respectively. The percentage of chlorinated OPEs in surface water samples from the PR to the SCS was 79 ± 15%. Tripentyl phosphate (TPeP) (average: 28.3%) and triphenylphosphate (TPhP) (average: 9.6%) exhibited significant particulate fraction. A significant negative correlation (p −1. The presence of TCEP (RQmax = 2.1); TnBP (RQmax = 0.48) and TPhP (RQmax = 0.3) in PR water samples pose a high risk to aquatic organisms; whereas OPEs (RQ © 2024;
D O I：
10.1016/j.chemosphere.2024.142559
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