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文章名称：九龙江表层沉积物重金属赋存形态及生态风险 作者：林承奇，胡恭任，于瑞莲，韩璐 时间：2017年3月 请虫友帮忙检索下EI收录号，急需，谢谢！ |
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lotuscsx: 金币+1, 鼓励交流。 2017-09-10 14:47:02
lotuscsx: 金币+1, 鼓励交流。 2017-09-10 14:47:02
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Speciation and Ecological Risk of Heavy Metals in Surface Sediments from Jiulong River Accession number: 20172703864529 Authors: Lin, Cheng-Qi 1 ; Hu, Gong-Ren 1 , 2 ; Yu, Rui-Lian 1 ; Han, Lu 1 Author affiliations : 1 College of Chemical Engineering, Huaqiao University, Xiamen; 361021, China 2 State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang; 550081, China Corresponding author: Yu, Rui-Lian (ruiliany@hqu.edu.cn) Source title: Huanjing Kexue/Environmental Science Abbreviated source title: Huanjing Kexue Volume: 38 Issue: 3 Issue date: March 15, 2017 Publication Year: 2017 Pages: 1002-1009 Language: Chinese ISSN: 02503301 CODEN: HCKHDV Document type: Journal article (JA) Publisher: Science Press Abstract: Speciation characteristics of fifteen heavy metals in seventeen surface sediments from Jiulong River was analyzed using the modified BCR protocol and dilute HNO3method, respectively. The results of the modified BCR protocol showed that most of the elements (Fe, Ni, V, Tl, Ba, Sb, Ga, Cr and Sr) existed mainly in residual fractions, and extractable fraction was dominant for Mn (83.8%), followed by Cd, Pb, Zn, Co and Cu (80.0%, 75.5%, 74.3%, 70.8% and 57.7%). The results of dilute HNO3method showed that the proportions of the dilute HNO3-extractable fractions of Pb, Mn, Cd, Co, Zn and Cu were higher (70.4%, 65.4%, 58.7%, 48.4%, 44.5% and 45.5%). The assessment results of RSP (ratio of secondary phase to primary phase) indicated that Pb, Mn, Cd, Co, Zn and Cu in surface sediments of Jiulong River had higher ecological risks. Both extraction methods had merits and demerits respectively. In general, the dilute HNO3method is enough to analyze the bioavailability and ecological risk of heavy metals in sediments. © 2017, Science Press. All right reserved. Number of references: 26 Main heading: River pollution Controlled terms: Biochemistry - Ecology - Heavy metals - Lead - Manganese - Risk assessment - Rivers - Sediments - Strontium - Surficial sediments - Zinc Uncontrolled terms: Bioavailability - Dilute HNO3method - Ecological risks - Extraction method - Jiulong River - Residual fraction - Secondary phase - Surface sediments Classification code: 453Water Pollution - 454.3Ecology and Ecosystems - 483Soil Mechanics and Foundations - 531Metallurgy and Metallography - 543.2Manganese and Alloys - 546.1Lead and Alloys - 546.3Zinc and Alloys - 549.2Alkaline Earth Metals - 801.2Biochemistry - 914.1Accidents and Accident Prevention Numerical data indexing: Percentage 4.45e+01%, Percentage 4.55e+01%, Percentage 4.84e+01%, Percentage 5.77e+01%, Percentage 5.87e+01%, Percentage 6.54e+01%, Percentage 7.04e+01%, Percentage 7.08e+01%, Percentage 7.43e+01%, Percentage 7.55e+01%, Percentage 8.00e+01%, Percentage 8.38e+01% DOI: 10.13227/j.hjkx.201607087 Database: Compendex Compilation and indexing terms, © 2017 Elsevier Inc. |
5楼2017-09-10 12:32:39