Home / Standards / GB/T 5124.3-1985 GB/T 5124.3-1985 Active Methods for chemical analysisof hardmetals--The potentiometric method for the determination of cobalt content 硬质合金化学分析方法 电位滴定法测定钴量 Standard Type GBT ICS 77.160 CCS H10 Status 现行 Issue Date 1985-04-24 Implementation 1986-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A