Determination of 63Ni in the low level solid radioactive waste

O. Rosskopfová; M. Galamboš; P. Rajec

doi:10.1007/s10967-011-1071-5

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 289: Issue 1

Determination of ⁶³Ni in the low level solid radioactive waste

Authors:

O. Rosskopfová

O. Rosskopfová Faculty of Natural Sciences, Department of Nuclear Chemistry, Comenius University in Bratislava, Mlynská Dolina, 842 15 Bratislava, Slovak Republic

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M. Galamboš

M. Galamboš Faculty of Natural Sciences, Department of Nuclear Chemistry, Comenius University in Bratislava, Mlynská Dolina, 842 15 Bratislava, Slovak Republic

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P. Rajec

P. Rajec Faculty of Natural Sciences, Department of Nuclear Chemistry, Comenius University in Bratislava, Mlynská Dolina, 842 15 Bratislava, Slovak Republic

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Pages:: 251–256

Online Publication Date:: 06 Apr 2011

Publication Date:: 01 Jul 2011

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-011-1071-5

Keywords:: 63Ni; Low level radioactive waste; Concrete; Radiochemical analysis; Liquid scintillation counting

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Abstract

Nickel is a constituent of wide range of construction materials in nuclear industry and their corresponding activation products are often encountered in low level solid radioactive waste and effluents. The article presents the radiochemical analytical method for determination of ⁶³Ni in the concrete samples originated from Nuclear Power Plant Mochovce, Slovakia. The sample of concrete was ashed and leached with aqua regia thereafter hydroxides were precipitated with ammonia solution, leaving Ni in aqueous phase. The next purification steps included a precipitation as Ni–dimethylglyoxime (DMG) complex, an anionic exchange column and an extraction chromatography on Nickel resin. The purified ⁶³Ni fraction was mixed with the scintillation cocktail and the mixture was measured by liquid scintillation counting (LSC). The radiochemical yield of the separation procedure was determined by atomic absorption measurement of stable Ni in the range of 49–71%. Up to the sample amount of 50 g the detection limit was 0.002 Bq g⁻¹ at counting time 180 min and 95% confidence level.

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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)