Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 250: Issue 3
A multitracer Study on the Adsorption of 36 Elements on a Silica: Effects of pH and Fulvic Acid
Authors:
X.K. Wang Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering Lanzhou 730000 P. R. China

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W.M. Dong Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering Lanzhou 730000 P. R. China

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H.X. Zhang Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering Lanzhou 730000 P. R. China

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Z.Y. Tao Lanzhou University Radiochemistry Laboratory, College of Chemistry and Chemical Engineering Lanzhou 730000 P. R. China

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Pages:
491–496
Online Publication Date:
29 Oct 2004
Publication Date:
17 Dec 2001
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1017901222780
Restricted access

Abstract  

The distribution coefficients,Kd of 36 elements from Na to Bi on a silica were determined at pH 4, 7, 9 and in the absence and presence of fulvic acid (FA) using a multitracer technique. The multitracer solution was prepared by irradiation of Th(NO3)4 with 40Ar ion beam. The effects of pH and fulvic acid on the Kd values of 36 elements were studied. It was found that the sequences of the Kd values of alkali elements (Cs>Rb>K>Na) and of alkaline earth elements(Ba>Ca>Mg) in the absence of FA can be qualitatively explained in terms of chemical bond formation and hydration. Various effects of pH and the negative or positive effect of FA on the adsorption of 36 elements were observed and are probably related to the species of 36 elements in the aqueous solutions containing CO32–, OH–, Cl– and FA. For most of the elements studied here the Kd values are increased with increasing pH and are decreased with adding FA.

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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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