Partial purification of neutron-activation 99Mo from cross-contaminant radionuclides onto potassium nickel hexacyanoferrate(II) column

M. Mostafa; M. El-Absy; M. Amin; M. El-Amir; A. Farag

doi:10.1007/s10967-010-0584-7

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 285: Issue 3

Partial purification of neutron-activation ⁹⁹Mo from cross-contaminant radionuclides onto potassium nickel hexacyanoferrate(II) column

Authors:

M. Mostafa

M. Mostafa Radioactive Isotopes and Generators Department, Hot Labs. Center, Atomic Energy Authority, P.O. Code 13759 Cairo, Egypt

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M. El-Absy

M. El-Absy Radioactive Isotopes and Generators Department, Hot Labs. Center, Atomic Energy Authority, P.O. Code 13759 Cairo, Egypt

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M. Amin

M. Amin Radioactive Isotopes and Generators Department, Hot Labs. Center, Atomic Energy Authority, P.O. Code 13759 Cairo, Egypt

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M. El-Amir

M. El-Amir Radioactive Isotopes and Generators Department, Hot Labs. Center, Atomic Energy Authority, P.O. Code 13759 Cairo, Egypt

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, and

A. Farag

A. Farag Faculty of Science, Helwan University, Helwan, Cairo, Egypt

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Pages:: 579–588

Online Publication Date:: 07 May 2010

Publication Date:: 01 Sep 2010

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-010-0584-7

Keywords:: Purification; 99Mo; 134Cs; 86Rb; 124Sb; 60Co; Potassium nickel hexacyanoferrate(II); Chromatographic column

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Abstract

Potassium nickel hexacyanoferrate(II) matrix was prepared and characterized. Purification of neutron-activation ⁹⁹Mo–molybdate(VI) solutes from some residual cross-contaminant radionuclides including ¹³⁴Cs, ⁸⁶Rb, ¹²⁴Sb, ⁶⁰Co and ⁵¹Cr was carried out onto small chromatographic columns of the matrix (each of 1.0 g). Gamma-ray spectrometric analysis data showed that the purification process was not affected by either Mo(VI) concentrations (0.13 and 0.02 M Mo) in the feeding solution of 3.5 M NaNO₃ at pH 9.5 or flow rates (0.2 and 5.0 mL/min) at room temperature. Molybdenum(VI) average loss onto the column matrix did not exceed 7.7 × 10⁻² mmol Mo. Except for ⁵¹Cr, the matrix has very high selectivity for ¹³⁴Cs, ⁸⁶Rb and ¹²⁴Sb with ~50% ⁶⁰Co elimination. The obtained data were briefly discussed.

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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)