Occurrence, correlation, and partitioning of organophosphate esters in soil and tree bark from a megacity, Western China
文献类型: 外文期刊
作者: Wang, Can 1 ; Yuan, Rui-Yu 1 ; Wei, Shi-Qiang 1 ; He, Ming-Jing 1 ;
作者机构: 1.Southwest Univ, Coll Resources & Environm, Chongqing 400716, Peoples R China
2.Chongqing Key Lab Agr Resources & Environm, Chongqing 400716, Peoples R China
关键词: Organophosphate esters; Soil; Tree bark; Source; Correlation; Partitioning
期刊名称:ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH ( 影响因子:5.19; 五年影响因子:5.053 )
ISSN: 0944-1344
年卷期:
页码:
收录情况: SCI
摘要: Concern over the influences of constant addition of emerging anthropogenic chemicals to the environment has become a public issue during the rapid urbanization. Here, we investigated the occurrence of organophosphate esters (OPEs) in soil and corresponding tree bark in a megacity, Western China. Our results showed levels of OPEs in tree bark (1250 +/- 573 ng/g dry weight (dw)) were 1-2 orders of magnitude higher than those in soil (40.4 +/- 30.8 ng/g dw). Rooster Mountain is a background mountain area, exhibiting significantly lower concentrations of OPEs in soil and tree bark than those in other sites with relatively high population density. This result highlights the effect of human activities on the distribution of OPEs in environmental matrices. Alkyl-OPEs were predominant compounds in soil, whereas halogenated- (Cl-) OPEs were characterized in tree bark. Furthermore, tris(2-chloroethyl) phosphate (TCEP) positively correlated with tris(2-chloroisopropyl) phosphate (TCIPP) in soil (r(2) = 0.43, P < 0.05) while negatively correlated with TCIPP in tree bark (r(2) = 0.31, P < 0.05). The ratios of logarithm concentrations of OPEs in tree bark to those in soil correlated well with logK(OA) values of OPEs from 6 to 10, indicating the equilibrium status was achieved between OPE partitioning in soil and in tree bark. Nevertheless, tris (2-butoxyethyl) phosphate (TBEP) and tris(2-ethylhexyl) phosphate (TEHP) with high values of logK(OA) deviated from this linear tendency, which was possibly due to the fact that they were subjected to the particle-bound deposition process, leading to partition into the soil.
- 相关文献
作者其他论文 更多>>
-
Dynamic variation and inhalation exposure of organophosphates esters and phthalic acid esters in face masks*
作者:Wang, Can;Su, Zi-Han;He, Ming-Jing;He, Ming-Jing
关键词:Organophosphate esters; Phthalic acid esters; Face mask; Dynamic variation; Inhalation exposure risk
-
Phthalate esters in biota, air and water in an agricultural area of western China, with emphasis on bioaccumulation and human exposure
作者:He, Ming-Jing;Lu, Jun-Feng;Wei, Shi-Qiang;He, Ming-Jing;Wei, Shi-Qiang;Wang, Jun;Hageman, Kimberly J.
关键词:Phthalate esters; Biota; Ambient environment; Bioaccumulation; Human exposure
-
Organophosphate esters in biota, water, and air from an agricultural area of Chongqing, western China: Concentrations, composition profiles, partition and human exposure
作者:He, Ming-Jing;Lu, Jun-Feng;Wei, Shi-Qiang;He, Ming-Jing;Wei, Shi-Qiang
关键词:Organophosphate esters; Biota; Ambient environment; Partition; Human exposure
-
Organophosphate Esters in Road Dust from a Suburban Area of Chongqing, China: Characterization of Particle Size Distribution and Human Exposure
作者:He, Ming-Jing;He, Ming-Jing
关键词:
-
Current State, Distribution, and Sources of Phthalate Esters and Organophosphate Esters in Soils of the Three Gorges Reservoir Region, China
作者:He, Ming-Jing;Yang, Ting;Yang, Zhi-Hao;Zhou, Hong;Wei, Shi-Qiang;He, Ming-Jing;Wei, Shi-Qiang
关键词:
-
Organophosphate esters and phthalate esters in human hair from rural and urban areas, Chongqing, China: Concentrations, composition profiles and sources in comparison to street dust
作者:He, Ming-Jing;Lu, Jun-Feng;Ma, Jing-Ye;Wang, Huan;Du, Xiao-Fan;He, Ming-Jing
关键词:Organophosphate esters; Phthalate esters; Human hair; Street dust; Sources
-
Occurrence of tetrabromobisphenol a (TBBPA) and hexabromocyclododecane (HBCD) in soil and road dust in Chongqing, western China, with emphasis on diastereoisomer profiles, particle size distribution, and human exposure
作者:Lu, Jun-Feng;He, Ming-Jing;Yang, Zhi-Hao;Wei, Shi-Qiang;He, Ming-Jing;Wei, Shi-Qiang
关键词:Tetrabromobisphenol A; Hexabromocyclododecane; Soil and road dust; Particle size distribution; Human exposure