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Titolo:
A convenient method for discriminating between natural and depleted uranium by gamma-ray spectrometry
Autore:
Shoji, M; Hamajima, Y; Takatsuka, K; Honoki, H; Nakajima, T; Kondo, T; Nakanishi, T;
Indirizzi:
Toyama Med & Pharmaceut Univ, Radioisotope Res Ctr, Toyama 9300194, Japan Toyama Med & Pharmaceut Univ Toyama Japan 9300194 Toyama 9300194, Japan Kanazawa Univ, Dept Chem, Fac Sci, Kanazawa, Ishikawa 9201192, Japan Kanazawa Univ Kanazawa Ishikawa Japan 9201192 wa, Ishikawa 9201192, Japan Toyama Univ, Radioisotope Lab, Toyama 9308555, Japan Toyama Univ Toyama Japan 9308555 Radioisotope Lab, Toyama 9308555, Japan Toyama Med & Pharmaceut Univ, Fac Med, Dept Radiol Sci, Toyama 9300194, Japan Toyama Med & Pharmaceut Univ Toyama Japan 9300194 Toyama 9300194, Japan
Titolo Testata:
APPLIED RADIATION AND ISOTOPES
fascicolo: 2, volume: 55, anno: 2001,
pagine: 221 - 227
SICI:
0969-8043(200108)55:2<221:ACMFDB>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Keywords:
discrimination; natural uranium; depleted uranium; uranium mineral; gamma-ray spectrometry; radioactive equilibrium; bateman solution;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
4
Recensione:
Indirizzi per estratti:
Indirizzo: Shoji, M Toyama Med & Pharmaceut Univ, Radioisotope Res Ctr, 2630 Sugitani, Toyama 9300194, Japan Toyama Med & Pharmaceut Univ 2630 Sugitani Toyama Japan 9300194
Citazione:
M. Shoji et al., "A convenient method for discriminating between natural and depleted uranium by gamma-ray spectrometry", APPL RAD IS, 55(2), 2001, pp. 221-227

Abstract

A convenient method for discriminating between natural and depleted uranium reagent was developed by measuring and analyzing the gamma -ray spectra of some reagents with no standard source. The counting rates (R) of photoelectric peaks of gamma -rays from nuclides with the same radioactivity divided by their emission probability (B) are expressed as a function of gamma -ray energy. The radioactivities of Th-234 and Pa-234 and 21.72 times that ofU-235 are equal to the radioactivity of U-238 in natural uranium. Therefore, the plot of 21.72-fold R/B for U-235 should be on a curve fitted to the points fur Th-234 and Pa-234m in natural uranium. Depleted uranium with a U-235 isotopic composition of less than 0.68% could be discriminated from natural uranium in the case of a reagent containing 4.0 g of uranium. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/09/18 alle ore 08:53:06