China 'GB/T 46122.4-2025
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 46122.4-2025
Fireworks and Firecrackers - Test Methods for Specific Chemical Substances - Part 4: Determination of Lead and Lead Compounds - X-ray Fluorescence Spectroscopy 烟花爆竹 - 特定化学物质检测方法 - 第4部分:铅和铅化合物含量的测定-X射线荧光光谱法
Issued Date:2025/8/29
Implemented Date:2025/12/1
Issued by:
The Standardization Administration of the People's Republic of China