China 'GB/T 20175-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20175-2025
Surface Chemical Analysis - Sputtering Depth Profiling - Optimization Method Using Layered Film Systems as Reference Materials 表面化学分析-溅射深度剖析-用层状膜系为参考物质的优化方法
Issued Date:2025/6/30
Implemented Date:2026/1/1
Issued by:
The Standardization Administration of the People's Republic of China