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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
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Evaluation of a rapid, effective sample digestion method for trace element analysis of granitoid samples containing acid-resistant minerals: Alkali fusion after acid digestion

RYOKO SENDA, JUN-ICHI KIMURA, QING CHANG
Geochemical Journal, Vol. 48, No. 1, P. 99-103, 2014

ABSTRACT

Alkali fusion after acid digestion method (AFAD) was used for determination by ICP-MS of twenty-five trace elements (Rb, Sr, Y, Zr, Nb, Cs, Ba, Hf, Pb, Th, U, and rare earth elements) in four silicate reference materials (JG-1a, JG-2, and JG-3 granitoids and JB-2 basalt) from the Geological Survey of Japan (GSJ). Results were compared with those obtained by acid digestion (AD) method. Our results are in excellent agreement with previously reported data obtained by fusion methods. The reproducibility of replicate analyses is better than 5% (1σ) for all the elements, except Rb, Cs, and Pb in JG-2.

KEYWORDS

silicate digestion method, trace element abundance, silicate reference material, alkali fusion

Supplementary Materials(file)

https://www.jstage.jst.go.jp/article/geochemj/48/1/48_2.0280/_supplement/_download/48_2.0280_1.pdf

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