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Quantitative Analysis of Chemical Composition of Gem Material by Using Laser-induced Breakdown Spectroscopy
Author(s): 
Pages: 25-29
Year: Issue:  2
Journal: Journal of Gems & Gemmology

Keyword:  laser-induced breakdown spectroscopyquantitative analysisgem material;
Abstract: 主要针对宝石材料进行了激光诱导离解光谱技术定量分析方法的总结以及对比研究。选择外标法、自由定标法和归一化的外标法三种较为适用于宝石材料分析的方法进行了介绍。选取陨石玻璃、绿辉石、紫色翡翠以及硅酸盐玻璃等成分较为均匀的样品作为分析对象,使用中国地质大学(武汉)珠宝学院自制的激光诱导离解光谱设备,分别运用三种方法对其进行了定量分析的计算。定量分析结果显示,外标法易受成分变化及结构差异而造成的基体效应的...
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