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Sorption and desorption of iridium by coastal sediment: effects of iridium speciation and sediment components
Dai XX(戴雄新); Chai ZF(柴之芳); Mao XY(毛雪瑛); Ou YH(欧阳宏); Dai, XX; Chai, ZF; Mao, XY; Hong, OY
刊名CHEMICAL GEOLOGY
2000
卷号166期号:1-2页码:#REF!
关键词iridium sorption desorption coastal sediment seawater speciation
学科分类Geochemistry & Geophysics
DOI10.1016/S0009-2541(99)00183-7
通讯作者Chai, ZF (reprint author), Acad Sinica, Inst High Energy Phys, POB 2732, Beijing 100080, Peoples R China.
文章类型Article
英文摘要The sorption and desorption behaviors of trace iridium in a coastal seawater-sediment system were studied via batch experiments. The linear sorption and desorption isotherms were observed in the range of 0.1-1.0 ng/ml Ir concentration, and the sorption-desorption process is irreversible. By using selective extraction method, the effects of Ir speciation in seawater and of sediment components on Ir sorption and desorption were investigated. The results indicate that the tetravalent Ir is easier to be sorbed by sediment than the trivalent iridium. Regarding the coastal sediment used in our study, the residue is the most important component for Tr sorption, whereas carbonate is not an effective absorbent component for iridium in sediment. The irreversible sorption-desorption process and very low desorption ability of iridium might lead to Ir enrichment on the sediment. (C) 2000 Elsevier Science B.V. All rights reserved.
类目[WOS]Geochemistry & Geophysics
收录类别SCI
WOS记录号WOS:000086004200002
引用统计
被引频次:9[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/311005/225511
专题院士_期刊论文
推荐引用方式
GB/T 7714
Dai XX,Chai ZF,Mao XY,et al. Sorption and desorption of iridium by coastal sediment: effects of iridium speciation and sediment components[J]. CHEMICAL GEOLOGY,2000,166(1-2):#REF!.
APA 戴雄新.,柴之芳.,毛雪瑛.,欧阳宏.,Dai, XX.,...&Hong, OY.(2000).Sorption and desorption of iridium by coastal sediment: effects of iridium speciation and sediment components.CHEMICAL GEOLOGY,166(1-2),#REF!.
MLA 戴雄新,et al."Sorption and desorption of iridium by coastal sediment: effects of iridium speciation and sediment components".CHEMICAL GEOLOGY 166.1-2(2000):#REF!.
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