Home / Standards / GB/T 27674-2011 GB/T 27674-2011 Active Copper,lead and zinc sulfide concentrates - Determination of hygroscopic moisture in the analysis sample - ?Gravimetric method 硫化铜、铅和锌精矿 试样中湿存水分的测定 重量法 Standard Type GBT ICS 77.120.01 CCS D42 Status 现行 Issue Date 2011-12-30 Implementation 2012-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A