Home / Standards / GB/T 3884.8-2000 GB/T 3884.8-2000 Methods for chemical analysis of copper concentrates—Determination of zinc content 铜精矿化学分析方法 锌量的测定 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