KOMATIITE WITS-1, LOW CONCENTRATION NOBLE METAL STANDARD FOR THE ANALYSIS OF NON-MINERALIZED SAMPLES |
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| Authors: | Marian TREDOUX Iain MCDONALD |
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| Institution: | Department of Geological Sciences, University of Cape Town, Rondebosch 7700, South Africa and Schonland Research Centre for Nuclear Sciences, University of the Witwatersrand, P.O. Wits 2050, South Africa |
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| Abstract: | WITS-1 is a sample of silicified komatiite collected from close to the Komati River type section, near Barberton in South Africa. Two thousand kg of this komatiite was crushed and prepared for standardization. Noble metal analysis of WITS-1 has been carried out by six laboratories using four different analytical methods. The data obtained from these sources were subjected to statistical analysis (F ratio and Student t test) and a suite of "preferred" values for the noble metal concentrations are reported. |
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