Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method
谷物和豆类——氮含量的测定和粗蛋白质含量的计算——凯氏法
发布日期:
2013-11-19
ISO 20483:2013规定了根据凯氏定氮法测定谷物、豆类和衍生产品中氮含量的方法,以及计算粗蛋白质含量的方法。该方法不区分蛋白质氮和非蛋白质氮。
ISO 20483:2013 specifies a method for the determination of the nitrogen content of cereals, pulses and derived products, according to the Kjeldahl method, and a method for calculating the crude protein content. The method does not distinguish between protein nitrogen and non-protein nitrogen.