文章搜索结果

Show Filters
Showing 2 结果 for "Lab diamonds"
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。

阅读详细内容

Suite containing over 36 carats of Yogo sapphire
蒙大纳州约戈峡谷蓝宝石的宝石学特征

看看这颗充满自然活力的蓝色蓝宝石的开采和区别特征。

阅读详细内容