Home / Standards / GB/T 31578-2015 GB/T 31578-2015 Active Inspection of grain and oils—Determination of crude protein content in grain and its products—Combustion method according to the Dumas principle 粮油检验 粮食及制品中粗蛋白测定 杜马斯燃烧法 Standard Type GBT ICS 67.040 CCS X10 Status 现行 Issue Date 2015-05-15 Implementation 2015-11-23 Responsible Dept 国家粮食和储备局 Drafting Unit N/A