Cumulative neutron activation of short-lived radionuclides for the analysis of large samples in mineral exploration

S. Parry

doi:10.1007/bf02132370

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 112: Issue 2

Cumulative neutron activation of short-lived radionuclides for the analysis of large samples in mineral exploration

Author:

S. Parry

S. Parry Imperial College Reactor Centre Silwood Park Sunninghill SL5 7PY Ascot Berkshire (UK)

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Pages:: 383–386

Online Publication Date:: 16 Sep 2005

Publication Date:: 17 May 1987

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02132370

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Abstract

Cumulative neutron activation is used to determine mg/kg concentrations of gold in rock samples, weighing 10 g. Twenty 0.5 g replicates are irradiated in an epithermal-neutron flux for 5 s and counted for 14 s. The twenty spectra are summed, and gold is measured with the 279 keV gamma-ray of^197mAu (7.2 s). Total analysis time for a 10 g sample is 400 s and detection limits around 2 mg/kg are achieved in gold ores, sulfides and silicates.

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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)