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Please use this identifier to cite or link to this item: http://hdl.handle.net/11178/4423

Title: LA-ICP-MSによる石英中の微量元素分析(都市基盤デザイン工学科,工学部創設40周年記念号)
Other Titles: Analysis of Minor Elements in Quartz Using by LA-ICP-MS(DEPARTMENT OF CIVIL AND URBAN DESIGN ENGINEERING)
Authors: 林, 正雄
許, 建明
HAYASHI, Masao
XU, Jianming
ハヤシ, マサオ
九州産業大学工学部都市基盤デザイン工学科 / 中国・湘南農業大学
Keywords: LA-ICP-MS
quartz
equi-isotope-concentration coefficient
Issue Date: 20-Dec-2004
Publisher: 九州産業大学工学部
Abstract: LA-ICP-MS was applied to analyze minor elements in quartz from volcanic rocks at the Unzen and the Kuju districts in Kyushu. Since the intensity of its signals varies extremely with time, an internal standard which is included with a constant amount stoichiometrically in the mineral under analysis is absolutely necessary (for example, Si in quartz). An idea of "equi-isotope concentration coefficient" was adopted. The results show that the minor elements range from several up to a few thousand ppm, and that the tetrahedral Al which substitutes Si keeps electric balances with alkaline ions of Li+Na+K.
URI: http://hdl.handle.net/11178/4423
Appears in Collections:第41号

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