Home / Standards / GB/T 21933.1-2008 GB/T 21933.1-2008 Active Ferronickel - Determination of nickel content - The dimethylglyoxime gravimetric method 镍铁 镍含量的测定 丁二酮肟重量法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2008-05-30 Implementation 2008-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会