Technetium-99m generator based on 12-molybdocerate —99Mo precipitate as column matrix

M. El Absy; I. El Naggar; A. Audah

doi:10.1007/bf02102711

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 173: Issue 1

Technetium-99m generator based on 12-molybdocerate —⁹⁹Mo precipitate as column matrix

Authors:

M. El Absy

M. El Absy Radioisotope Production Department Cairo Egypt

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I. El Naggar

I. El Naggar Atomic Energy Establishment Nuclear Chemistry Department, Nuclear Research Centre P.O. Code 13759 Cairo Egypt

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A. Audah

A. Audah Radioisotope Production Department Cairo Egypt

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Pages:: 185–193

Online Publication Date:: 13 Sep 2005

Publication Date:: 17 Sep 1993

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02102711

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Abstract

The preparation of insoluble 12-molybdocerate(IV) from⁹⁹Mo of low specific activity, produced by thermal neutron irradiation of MoO₃, is described. Samples of the material are dried at 50, 100 and 200°C and used as column matrices from which the generated^99mTc activity is periodically eluted with saline solution or saline solution containing 5·10^–5M K₂CrO₄ as an oxidant. The elution yields of^99mTc are high and reproducible (95–81%) with radionuclidic purity 99.98%. Both chemical and radiochemical purity (as TcO ₄^– ) of the eluates decrease with increasing drying temperature of the column matrix. Using chromated saline solution as eluent improves the radiochemical purity of the^99mTc eluate.

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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)