
Methods for chemical analysis of copper concentrates—Part 2Determination of gold and silver contents—Flame atomic absorption spectrmetric method and fire assay method
NORMA vydaná dňa 29.8.2025
Designation standards: GB/T 3884.2-2025
Note: K dispozici od: březen 2026
Publication date standards: 29.8.2025
Country: Chinese technical standard
Kategória: Technické normy GB