Authors:
C. Olivier University of Stellenbosch Department of Chemistry Stellenbosch South Africa

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D. Gihwala University of Stellenbosch Department of Chemistry Stellenbosch South Africa

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M. Peisach
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C. Pineda Seconded from Groote Schuur Hospital Observatory Cape South Africa

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H. Pienaar Stellenbosch Southern Universities Nuclear Institute Department of Gemmology, University of Stellenbosch P. O. Box 17 7131 Faure South Africa

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Abstract  

The lithium content of the gem mineral, Sugilite, was determined by promt alpha spectrometry from the reaction7Li (p, α)4He with 1000 keV protons, and by proton-induced prompt photon spectrometry (PIPPS) of the 479-keV7Li, p(1,0) gamma-ray excited by 1000 and 4500 keV protons and 429-keV7Li n(1,0) gamma-ray induced by 4500 keV protons. The lithium content was found to be 3.72±0.06% by mass as Li2O. Simulated mineral matrices were used as standards.

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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)