Home / Standards / GB/T 47186-2026 GB/T 47186-2026 Upcoming Microbeam analysis—Quantitative analysis of rare earth minerals by electron probe microanalyzer 微束分析 稀土矿物的电子探针定量分析方法 Standard Type GBT ICS 71.040.50 CCS N33 Status 即将实施 Issue Date 2026-02-27 Implementation 2026-09-01 Responsible Dept 国家标准委 Drafting Unit N/A