Determination of227Ac in geological materials through neutron activation and alpha-spectrometric assay of induced228Th

H. Aly; U. Herpers; W. Herr

doi:10.1007/bf02524444

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 26: Issue 2

Determination of²²⁷Ac in geological materials through neutron activation and alpha-spectrometric assay of induced²²⁸Th

Authors:

H. Aly

H. Aly Institut für Kernchemie der Universität zu Köln D-500 Köln FRG

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U. Herpers

U. Herpers Institut für Kernchemie der Universität zu Köln D-500 Köln FRG

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W. Herr

W. Herr Institut für Kernchemie der Universität zu Köln D-500 Köln FRG

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Pages:: 279–287

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Sep 1975

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02524444

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Abstract

A new route has been developed for the micro-determination of²²⁷Ac in geological materials by neutron activation. The method is based on intense neutron irradiation of the analysed samples followed by separation and α-spectrometric determination of²²⁸Th, the β-decay product of the 6.1 hrs²²⁸Ac isotope formed. Two alternatives are considered for analysis related to the origin of the analysed matrix. The high sensitivity of the method is documented by the determination of 10⁻¹⁷ g²²⁷Ac/g sample. The method is successfully applied for age determination of five uranium containing materials and old uranium glass from Bohemia, CSSR.

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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)