蛋白质Protein
GB食品安全国家标准 食品中蛋白质的测定 第一法 凯氏定氮法
GB/T油料粗蛋白质的测定法
GB/T饲料中粗蛋白测定方法
AOAC 930.29奶粉中的蛋白质 Kjeldahl法
AOAC谷物中的蛋白质Kjeldahl法
AOACProtein (Crude) in Animal Feed and Pet Food-Copper Catalyst Kjeldahl Method
AOACProtein (crude) in Animal feed, forage (plant tissue), grain , and oilseeds
GAFTACrude protein
Commission Regulation (EC) Nf 27 January 2009 laying down the methods of sampling and analysis for the official control of feed ANNEX III C