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研究祖母绿样本
对采用振动光谱法区分天然与合成祖母绿的初步研究

基于 300 余个样本的 FTIR(傅里叶变换红外光谱)和拉曼光谱,采用振动光谱法区分天然与合成祖母绿的初步结果报告。

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Figure 1. One of GIA’s new LA-ICP-MS corundum calibration standards sets (set number 1); the epoxy disk containing the set is 1.5 inches in diameter. NIST SRM 610 and 612 glass standards are included to account for trace and non-trace elements, such as those found in inclusions, that were not incorporated into the synthetic sapphire crystals grown for standards. Photo by Jennifer Stone-Sundberg.
使用基质匹配标准精准显示红宝石和蓝宝石中的主要微量元素

介绍了一组由 GIA 研制的刚玉标准,用以提高激光剥蚀电感耦合等离子体质谱仪 (LA-ICP-MS) 的精度与效率。

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