high leaded brass

Commercial test on treating high-lead cadmium and high-grade high-cadmium zinc using lead column;

铅塔处理高铅镉和高品位高镉锌的工业试验

The latest developed lead-rich glass-filled rubies, which have recently appeared on gem markets, are researched.

以珠宝市场上新近面市的高铅玻璃充填处理红宝石为研究对象,采用常规检测与实验室测试技术(EPMA,UVVIS,LRS)相结合的研究方法,对充填处理红宝石中次生玻璃的化学成分、晶相、空间分布、显微结构及某些谱学特征进行了较深入的研究。