China 'GB/T 42513.9-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 42513.9-2025
Chemical Analysis Methods for Nickel Alloys - Part 9: Determination of Total Boron Content - Curcumin Spectrophotometric Method 镍合金化学分析方法 - 第9部分:总硼含量的测定 - 姜黄素分光光度法
Issued Date:2025/8/29
Implemented Date:2026/3/1
Issued by:
The Standardization Administration of the People's Republic of China