Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 283: Issue 3
Ion-exchange chromatography using citrate buffer, EDTA and α-HIBA for improving the separation of no-carrier-added 139Ce from La2O3 target irradiated with 14.5 MeV protons
Authors:
S. Kandil Atomic Energy Authority Cyclotron Facility, Nuclear Research Centre Cairo 13759 Egypt

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H. Hanafi Atomic Energy Authority Cyclotron Facility, Nuclear Research Centre Cairo 13759 Egypt

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H. Aglan Atomic Energy Authority Cyclotron Facility, Nuclear Research Centre Cairo 13759 Egypt

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Z. Saleh Atomic Energy Authority Cyclotron Facility, Nuclear Research Centre Cairo 13759 Egypt

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Pages:
609–614
Online Publication Date:
31 Oct 2009
Publication Date:
01 Mar 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-009-0392-0
Keywords:
Radiochemical separation of no-carrier-added 139Ce; La2O3 target; α-HIBA; Citrate buffer and EDTA
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Abstract  

The adsorption behaviour of La/Ce system on Dowex 50W-X8 in different media, namely, nitric acid, acetate buffer and citrate buffer was studied as a function of the concentration of nitric acid and buffer pH. In addition, in cation-exchange column chromatography experiments, three different eluants, namely, citrate buffer of pH 5.5, 0.1 M EDTA and 0.2 M α-HIBA, were employed for separation of Ce(III) from La(III). The optimum conditions for improvement of radiochemical separation of no-carrier-added 139Ce from proton irradiated lanthanum were applied using the most suitable chelating agent 0.2 M α-HIBA. The purification of 139Ce from macro amount of La(III) was done using two columns in a sequence. The target was prepared by pressing. The production of high radionuclidic and chemical purity 139Ce via irradiation of lanthanum oxide target at MGC-20 cyclotron of proton energy 14.5 MeV was described. The experimental yield was found to be 200 kBq/μA h.

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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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