Home / Standards / GB/Z 129-2026 GB/Z 129-2026 Active Surface chemical analysis—Electron spectroscopies—Measurement of the thickness and composition of nanoparticle coatings 表面化学分析 电子能谱 纳米颗粒包覆层厚度和组成的测量 Standard Type GBZ ICS 71.040.40 CCS G04 Status 现行 Issue Date 2026-01-28 Implementation N/A Responsible Dept 中国科学院 Drafting Unit N/A