Determination of lithium in the gem mineral sugilite

C. Olivier,D. Gihwala,M. Peisach,C. A. Pineda,H. S. Pienaar

Journal of Radioanalytical and Nuclear Chemistry（1983）

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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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Key words

Lithium, Alpha Particle, Proton Energy, Alpha Spectrometry, Calcium Fluoride

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