Home / Standards / GB/T 3884.6-2000 GB/T 3884.6-2000 Methods for chemical analysis of copper concentrates—Determination of lead, zinc, cadmium and nickel contents 铜精矿化学分析方法 铅、锌、镉和镍量的测定 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A