Substoichiometric determination of uranium in phosphate rock

N. Suzuki; K. Hanzawa; H. Imura

doi:10.1007/bf02060413

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 97: Issue 1

Substoichiometric determination of uranium in phosphate rock

Authors:

N. Suzuki

N. Suzuki Tohoku University Department of Chemistry, Faculty of Science 980 Sendai (Japan)

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K. Hanzawa

K. Hanzawa Tohoku University Department of Chemistry, Faculty of Science 980 Sendai (Japan)

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H. Imura

H. Imura Tohoku University Department of Chemistry, Faculty of Science 980 Sendai (Japan)

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Pages:: 81–86

Online Publication Date:: 14 Aug 2005

Publication Date:: 17 Jan 1986

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02060413

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Abstract

The substoichiometric isotope dilution analysis for U(VI) in a synergic extraction system of an excess amount of a chelating agent HHFA and a substoichiometric amount of neutral ligand TOPO has been developed. A constant but substoichiometric amout of U(VI) can be precisely extracted, and U down to ppm levels can be accurately determined by the present method. This method was applied to the analysis of a phosphate rock.

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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)