Preparation and characterization of an extraction chromatography column for technetium separation based on Aliquat-336 and silica gel support

A. Bartosova; P. Rajec; M. Reich

doi:10.1023/b:jrnc.0000030944.93883.58

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 261: Issue 1

Preparation and characterization of an extraction chromatography column for technetium separation based on Aliquat-336 and silica gel support

Authors:

A. Bartosova

A. Bartosova Department of Nuclear Chemistry Mlynska Dolina Faculty of Natural Sciences 842 15 Bratislava Slovak Republic

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P. Rajec

P. Rajec Department of Nuclear Chemistry Mlynska Dolina Faculty of Natural Sciences 842 15 Bratislava Slovak Republic

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, and

M. Reich

M. Reich Department of Nuclear Chemistry Mlynska Dolina Faculty of Natural Sciences 842 15 Bratislava Slovak Republic

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Pages:: 119–124

Online Publication Date:: 28 Oct 2004

Publication Date:: 01 Jul 2004

Article Category:: Research Article

DOI:: https://doi.org/10.1023/b:jrnc.0000030944.93883.58

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Abstract

An extraction chromatographic material based on Aliquat-336 anchored on hydrophobized silica gel support was prepared as an ion exchanger. The prepared material appeared to be suitable for the separation of ⁹⁹Tc from environmental matrices in column application. The properties of the material, sorption characteristic and distribution coefficient of ^99mTcO₄^-in various media were studied. The prepared sorbent was conditioned by washing with nitric acid. The solution containing ^99mTcO₄^- in 0.1M HNO₃ was passed through the column. Tc was eluted from the column by 8M HNO₃. The flow rate was 0.4 ml/min. The chemical yield of technetium during the separation process was determined using ^99mTc tracer and gamma measurement. The sorption recovery of Tc from the prepared sorbent with 0.1M HNO₃ solution was more than 98%, and the desorption recovery from the column using 8M HNO₃ varied between 92-96%. It was found that the prepared sorbent is suitable for the separation of technetium from environmental matrices and radioactive wastes.

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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)