Methods for analysis of animal feeding stuffs-Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
动物饲料分析方法 稀盐酸中胃蛋白酶处理后可溶性氮含量的测定
Does not distinguish between protein nitrogen and non-protein nitrogen.Cross References:ISO 5725-1:1994ISO 5725-2:1994ISO 6497ISO 5983:1997ISO 6498:1983