Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 170: Issue 2
Adsorption studies of cerium on lead dioxide from aqueous solutions
Authors:
M. Afzal Quaid-i-Azant University Department of Chemistry Islamabad (Pakistan)

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S. Hasany PINSTECH Nuclear Chemistry Division Islanabad (Pakistan)

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,
H. Ahmad Quaid-i-Azant University Department of Chemistry Islamabad (Pakistan)

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F. Mahmood Quaid-i-Azant University Department of Chemistry Islamabad (Pakistan)

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Pages:
309–319
Online Publication Date:
14 Aug 2005
Publication Date:
17 May 1993
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02041466
Restricted access

Abstract  

The adsorption of cerium from aqueous solutions on lead dioxide has been investigated and optimized as a function of pH, equilibration time, sorbate and sorbent concentrations. The effect of other anions and cations on its adsorption has also been studied. Citrate, EDTA, tartrate, oxalate, U(VI), Th(IV), Pb(II), Cr(III) and Al(III) drastically reduce the adsorption. Adsorption of other metal ions on the same oxide has been measured under identical conditions. The distribution coefficient indicates that cerium can be separated from Fe(III), Tc(VII), In(III), Ag(I), Hg(II) and Ta(V). The data fitted very well to Freundlich as well as Dubinin-Raduskevich (D-R) isotherms. A mean free energy of sorption 11.62±0.2 kJ·mol–1 was calculated, using the D-R equation and corresponds to an ion exchange reaction.

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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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