Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 267: Issue 3
Sorption/desorption of radiozinc on the surface sediments
Authors:
D. H. Mu Guangdong Key Laboratory of Chemical Emergency Test, China National Analytical Center Guangzhou, P.R. China

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J. Z. Du State Key Laboratory of Estuarine and Coastal Research, East China Normal University Shanghai 200062, P.R. China

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D. J. Li State Key Laboratory of Estuarine and Coastal Research, East China Normal University Shanghai 200062, P.R. China

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H. Q. Song Guangdong Environmental Radiation Research and Monitoring Center Guangzhou 510300, P.R. China

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S. P. Yan Guangdong Key Laboratory of Chemical Emergency Test, China National Analytical Center Guangzhou, P.R. China

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Y. J. Gu Guangdong Key Laboratory of Chemical Emergency Test, China National Analytical Center Guangzhou, P.R. China

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Pages:
585–589
Online Publication Date:
22 Feb 2006
Publication Date:
17 Mar 2006
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-006-0113-x
Restricted access

Summary  

The comprehension of the behavior of radioactive nuclides in aquifer requires the study of the sorption processes of nuclides in various geochemical conditions. The sorption/desorption of 65Zn(II) on surface sediments (0-2 cm) was investigated by batch method in sea water (pH 8.20, 35‰ salinity, filtered by 0.45mm) at ambient temperature. The surface sediments were obtained from four stations around the Daya Bay of Guangdong Province (China), where the first nuclear power station of China has been running from 1994. The sorption process is fast initially and around 39% average of sorption percentage (SP%) can be quickly obtained in 15 minutes for all the surface sediments. Then, the sorption percentage becomes constant. In 30 days of contact time 79.6% sorption percentage and Kd=3.9. 103ml/g distribution coefficient was obtained. The value of Kdbecame constant, 4.0. 103ml/g, in contact time more than 120 hours. The distribution coefficient Kddecreases with increasing sediment concentration from 4.0 to 250 mg/l from 1.31. 104to 1.68. 103ml/g, respectively. Then the value of Kdgoes up to 5.38. 103ml/g with sediment concentration of 3000 mg/l. The desorption experiments suggest that the sorption of Zn(II) is irreversible with a hyteresis coefficient of 66%.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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