Home / Standards / GB/T 32784-2016 GB/T 32784-2016 Active Pig iron contenting nickel—Determination of chromium content—Ammonium per sulfate-ammonium ferrous sulfate titration method 含镍生铁 铬含量的测定 过硫酸铵-硫酸亚铁铵滴定法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2016-06-14 Implementation 2017-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A