Home / Standards / GB/T 24318-2009 GB/T 24318-2009 Active Determination of total nitrogen content in animal feeding stuffs by combustion according to the dumas principle and calculation of the crude protein content 杜马斯燃烧法测定饲料原料中总氮含量及粗蛋白质的计算 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2009-09-30 Implementation 2009-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委