Home / Standards / GB/T 6432-2018 GB/T 6432-2018 Active Determination of crude protein in feeds—Kjeldahl method 饲料中粗蛋白的测定 凯氏定氮法 Standard Type GBT ICS 65.120 CCS B46 Status 现行 Issue Date 2018-09-17 Implementation 2019-04-01 Responsible Dept 国家标准委 Drafting Unit N/A