Home / Standards / GB/T 38216.1-2019 GB/T 38216.1-2019 Active Steel slag—Determination content of chromic oxide—Diphenyl carbazide spectrophotometry method 钢渣 氧化铬含量的测定 二苯基碳酰二肼分光光度法 Standard Type GBT ICS 77.140.99 CCS H34 Status 现行 Issue Date 2019-10-18 Implementation 2020-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A