Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 138: Issue 1
Nickel-63: Radiochemical separation and measurement with an ion implanted silicon detector
Authors:
E. Holm Lund University Department of Radiation Physics Lund Sweden

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B. Oregioni IAEA International Laboratory of Marine Radioactivity Monaco

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D. Vas IAEA International Laboratory of Marine Radioactivity Monaco

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H. Pettersson IAEA International Laboratory of Marine Radioactivity Monaco

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J. Rioseco Lund University Department of Radiation Physics Lund Sweden

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U. Nilsson Lund University Department of Radiation Physics Lund Sweden

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Pages:
111–118
Online Publication Date:
13 Aug 2005
Publication Date:
17 Jan 1990
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02049353
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Abstract  

A method has been developed for the determination of63Ni in environmental samples. The samples are ashed and leached with aqua regia whereafter hydroxides are precipitated with ammonia, leaving Ni in the aqueous phase. Nickel is extracted as dimethyl glyoxime complex by chloroform and back-extracted with HCl. Finially, Ni is electroplated onto a copper disc from an ammonium sulphate medium at high pH. The radiochemical yield is determined by atomic absorption measurements of stable Ni before and after electrodeposition.Nickel-63 on the discs is measured by beta spectrometry using solid state ion implanted detectors and by using a conventional windowless anti-coincidence shielded GM gas flow counter. Using a counting time of 3000 minutes, the minimum detection limits were 8 and 1 mBq, respectively.The method was applied to a series of macroalgae (Fucus vesiculosus) collected at different distances from a nuclear power plant. There was a correlation between distance to the power plant and the63Ni concentration in the algae. The relationship between63Ni and60Co, as well as that between63Ni and stable nickel, was also investigated.

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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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