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Speciation of antimony and arsenic in the soils and plants in an old antimony mine
Wei C. Y.; Ge, Z. F.; Chu, W. S.; Feng, R. W.
Source PublicationEnvironmental and Experimental Botany
2015
Volume109
Pages31-39
KeywordHPLC-ICP-MS XANES Methylation Soils Plants plasma-mass spectrometry hplc-icp-ms pteris-vittata contaminated soils natural-waters chromatography mobility environment sb extracts
AbstractThe speciation changes of antimony (Sb) in soil-plant system are largely unknown as compared with those of arsenic (As). In this study, indigenous plants and associated soils were sampled at the Xikuangshan Sb mine (XKS), China. The Sb in the soils (441-1472 mg/kg) were far greater than As (32-354 mg/kg), and the Sb and As availabilities in the soils, were 5.5% and 3.9% in average, respectively. HPLC-ICP-MS revealed the presence of four species of Sb in the soils and plants, including Sb-III, Sb-V,TMSb and UnkSb (unknown). The use of ?CANES revealed that the UnkSb consisted of inorganic Sb in the form of Sb-V. Inorganic Sb were prevalent in the soil and plant samples at the eight sites, whereas TMSb was observed in only a few of the rhizosphere soils, and, in plants at a few of the sites, primarily in the leaves and to a lesser extent in the stems. Arsenic was detected in the soils primarily as inorganic forms, while, DMA was detected in high proportions in all of the plant tissues at all of the sites. The methylation of Sb was far less than that of As in the indigenous plants at XKS. The results suggest that As and Sb differ in transformation characteristics in the soil plant system in XKS. (C) 2014 Elsevier B.V. All rights reserved.
Indexed BySCI
Language英语
ISSN0098-8472
DOI10.1016/j.envexpbot.2014.08.002
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Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/43580
Collection历年回溯文献
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GB/T 7714
Wei C. Y.,Ge, Z. F.,Chu, W. S.,et al. Speciation of antimony and arsenic in the soils and plants in an old antimony mine. 2015.
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