Distribution and accumulation of antimony in plants in the super-large Sb deposit areas, China

被引：87

作者：

Qi, Cuicui ^{[2
]}

Wu, Fengchang ^{[1
,3
]}

Deng, Qiujing ^{[1
,4
]}

Liu, Guijian ^{[2
]}

Mo, Changli ^{[1
]}

Liu, Bijun ^{[1
]}

Zhu, Jing ^{[1
]}

机构：

[1] Chinese Acad Sci, State Key Lab Environm Geochem, Inst Geochem, Guiyang 550002, Peoples R China

[2] Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Peoples R China

[3] Chinese Res Inst Environm Sci, State Environm Protect Key Lab Lake Pollut Contro, Beijing 100012, Peoples R China

[4] Guizhou Univ, Guiyang 550003, Peoples R China

来源：

MICROCHEMICAL JOURNAL | 2011年 / 97卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Antimony (Sb); Xikuangshan deposit; Bioavailability; Phytoaccumulation; P; vittata; H; ramosissima; CONTAMINATED GRASSLAND; AGRICULTURAL SOILS; TRACE-ELEMENTS; HEAVY-METALS; MOBILITY; SPECIATION; SEDIMENTS; VICINITY; WATERS; MINE;

D O I：

10.1016/j.microc.2010.05.016

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Antimony (Sb) distribution and accumulation in plants in Xikuangshan Sb deposit area, the only one super-large Sb deposit in the world, Hunan. China were investigated. Results show that soils were severely polluted with the average Sb concentrations up to 5949.20 mg kg(-1) Sb widely occurred in 34 plants with various concentrations ranging from 3.92 mg kg(-1) to 143.69 mg kg(-1) Equisetaceae family has the highest concentration (98.23 mg kg(-1)) while Dryopteridacea family has the lowest one (6.43 mg kg(-1)). H. ramosissima species of Equisetaceae family had the highest Sb average concentration of 98.23 mg kg(-1) and P. vittata species of Pteridaceae family showed advantage of accumulating Sb from the contaminated environment (Biological Accumulation Coefficient, BAC=0.08). Almost all species enriched Sb in their upground part such as shoot, leaf and flower (Biological Transfer Coefficient, BTC>1), which may attribute to the high acropetal coefficient and Sb transformation from the atmosphere to the plants. P. phaseoloides and D. indicum showed predominantly accumulation of Sb in the upground part with BTC of 6.65 and 5.47, respectively. From the low bioavailable fraction in soils and weak relationship between total soil concentrations in soils and plants, it seems that the Sb bioavailability was limited and varied with different soil sites as well as plant species. Those observations would be significant to the phytoaccumulation and phytoremediation of plants and ecological and environmental risk assessment in Sb contaminated areas. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：44 / 51

页数：8

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