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The species and geochemical characteristics of heavy metals in the sediments of Kangjiaxi River in the Shuikoushan Mine Area, China
Zhang, LC; Zhao, GJ
1996
Source PublicationAPPLIED GEOCHEMISTRY
ISSN0883-2927
Volume11Issue:1-2Pages:217-222
Corresponding AuthorZhang, LC()
AbstractThe different geochemical species of heavy metals in sediments in the Kangjiaxi River, Shuikoushan Mine Area, were separated and analysed. The exchangeable proportions of Pb, Zn and Cu in sediments are very low, never exceeding 1.5%, but the proportion of exchangeable Cd is as high as 10-15%. The CO3 form of Cd, Cu, Pb and Mn in total increases. The proportion of this form of Ca in total is very high (11-16%) which indicates that in the HCO3- and Ca2+ system in Kangjiaxi river water, under the present alkaline conditions (pH 7.6-7.8), the trace metals co-precipitate strongly with CO3. The heavy metals in the forms of Fe-Mn oxides are the main existing forms in the non-residue fractions. These forms of Cd, Zn and Pb occupy a total of 21-52%, 29-54% and 65-79%, respectively and the proportions of this form of Mn reach 65-79%. This shows that the precipitation effect of Fe-Mn oxides in water is very strong and it is also the main characteristic of heavy metals in the sediments in the subtropical climate. Copyright (C) 1996 Elsevier Science Ltd
Indexed BySCI
Language英语
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:A1996UQ48100034
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/56686
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, LC
AffiliationCHINESE ACAD SCI,INST GEOG,DATUN RD,BEIJING 100101,PEOPLES R CHINA
Recommended Citation
GB/T 7714
Zhang, LC,Zhao, GJ. The species and geochemical characteristics of heavy metals in the sediments of Kangjiaxi River in the Shuikoushan Mine Area, China[J]. APPLIED GEOCHEMISTRY,1996,11(1-2):217-222.
APA Zhang, LC,&Zhao, GJ.(1996).The species and geochemical characteristics of heavy metals in the sediments of Kangjiaxi River in the Shuikoushan Mine Area, China.APPLIED GEOCHEMISTRY,11(1-2),217-222.
MLA Zhang, LC,et al."The species and geochemical characteristics of heavy metals in the sediments of Kangjiaxi River in the Shuikoushan Mine Area, China".APPLIED GEOCHEMISTRY 11.1-2(1996):217-222.
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