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Levels and speciation of arsenic in the atmosphere in Beijing, China
Yang GS(杨国胜); 马玲玲(多); Xu DD(徐殿斗); Yang, GS; Ma, LL; Xu, DD; Li, J; He, TT; Liu, LY; Jia, HL; Zhang, YB; Chen, Y; Chai, ZF;; Li J(李杰); He TT(何婷婷); Chen Y(陈扬); Chai ZF(柴之芳)
2012
发表期刊CHEMOSPHERE
卷号87期号:8页码:845-850
摘要Arsenic levels and speciation in the total suspended particles (TSPs) were quantitatively determined by high performance liquid chromatography on-line coupled with hydride generation atomic fluorescence spectrometry in Beijing, China from February 2009 to March 2011. The high TSP levels fluctuated between 0.07 and 0.79 mg m(-3), with a mean level of 0.32 +/- 0.17 mg m(-3). The total arsenic concentrations ranged from 0.03 to 0.31 mu g m(-3) (mean: 0.13 +/- 0.06 mu g m(-3)) in Beijing's air. The concentrations of As(III) and As(V) ranged from 0.73 to 20 ng m(-3) (mean: 4.7 +/- 3.6 ng m(-3)) and from 14 to 2.5 x 10(2) ng m(-3) (mean: 67 35 ng m-3), respectively. As levels and speciation demonstrated relative higher levels in spring and autumn and lower values in summer and winter. As(V) accounted for 81-99% of the extractable species in the TSP samples which showed that As(V) was the major fraction of the extractable As. Organoarsenic species, monomethylarsonate (MMA) and dimethylarsinate (DMA) were not found in all samples. Higher values of enrichment factors demonstrated that arsenic in TSP mainly come from anthropogenic sources. High As and its species levels in air and respiratory exposure (0.30-0.84 mu g d(-1)) attributed to higher excess cancer risk ((4.2 +/- 2.0) x 10(-4)) for people in Beijing. (C) 2012 Elsevier Ltd. All rights reserved.
关键词Arsenic Speciation Air Beijing Risk assessment
学科领域Environmental Sciences & Ecology
DOI10.1016/j.chemosphere.2012.01.023
收录类别SCI
WOS记录号WOS:000302988100003
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224070
专题院士
多学科研究中心
推荐引用方式
GB/T 7714
Yang GS,Ma LL,Xu DD,et al. Levels and speciation of arsenic in the atmosphere in Beijing, China[J]. CHEMOSPHERE,2012,87(8):845-850.
APA 杨国胜.,马玲玲.,徐殿斗.,Yang, GS.,Ma, LL.,...&柴之芳.(2012).Levels and speciation of arsenic in the atmosphere in Beijing, China.CHEMOSPHERE,87(8),845-850.
MLA 杨国胜,et al."Levels and speciation of arsenic in the atmosphere in Beijing, China".CHEMOSPHERE 87.8(2012):845-850.
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