Home / Standards / GB/T 28634-2025 GB/T 28634-2025 Active Microbeam analysis—Electron probe microanalysis—Quantitative point analysis for bulk specimens using wavelength dispersive X-ray spectroscopy 微束分析 电子探针显微分析 块状试样波谱法定量点分析 Standard Type GBT ICS 71.040.99 CCS G 04 Status 现行 Issue Date 2025-04-25 Implementation 2025-11-01 Responsible Dept 国家标准委 Drafting Unit N/A