Home / Standards / GB/T 37588-2019 GB/T 37588-2019 Active Carbon materials—Determination of nitrogen content—Dumas combustion method 炭素材料 氮含量的测定 杜马斯燃烧法 Standard Type GBT ICS 29.050 CCS Q50 Status 现行 Issue Date 2019-06-04 Implementation 2020-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A