Rapid determination of uranium at the nanogram level in geological and biological materials

M. Dermelj; J. Novak; V. Ravnik; L. Kosta

doi:10.1007/bf02519619

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 44: Issue 2

Rapid determination of uranium at the nanogram level in geological and biological materials

Authors:

M. Dermelj

M. Dermelj University of Ljubljana Faculty of Natural Sciences and Technology and J. Stefan Institute 61000 Ljubljana (Yugoslavia)

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J. Novak

J. Novak University of Ljubljana Faculty of Natural Sciences and Technology and J. Stefan Institute 61000 Ljubljana (Yugoslavia)

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V. Ravnik

V. Ravnik University of Ljubljana Faculty of Natural Sciences and Technology and J. Stefan Institute 61000 Ljubljana (Yugoslavia)

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L. Kosta

L. Kosta University of Ljubljana Faculty of Natural Sciences and Technology and J. Stefan Institute 61000 Ljubljana (Yugoslavia)

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Pages:: 271–277

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Sep 1978

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02519619

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Abstract

A rapid method for the determination of uranium at nanogram levels in geological and biological materials is described. The method is based on the separation of 23.5 min²³⁹U, produced on neutron activation, by solvent extraction with TBP from nitric acid medium in the presence of HF, which prevents interference from Th; a number of other possibly interfering elements were shown to be negligibly extracted. The method is selective and sensitive enough for the determination of nanogram levels of uranium in soils, ores and biological samples. Results for some standard reference materials were in good agreement with certified values.

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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)