秋田大学における造岩鉱物化学組成分析-教育文化学部SEM-EDX と工学資源学部WD-EPMA の定量分析値整合性について-

概要

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Analytical consistency of rock-forming minerals between SEM-EDX installed at Faculty of Education and Human Studies and WD-EPMA at Faculty of Engineering and Resource Science were examined. When WD-EPMA data of natural minerals were used as standard materials, analytical results of EDX-SEM were consistent with that of WD-EPMA, whereas SEM-EDX analyses with pure-material standards produced small analytical differences. The consistency was confirmed for olivine, plagioclase, and pyroxenes, and their consequent stoichiometric coefficients were accurate.