标准摘要
[中文适用范围]： 本国际标准提供了凯氏定氮法测定氮含量的通用指南。它适用于含有可通过凯氏定氮法直接测定的含氮化合物的食品和饲料产品。 注：该测量原理不考虑硝酸盐和亚硝酸盐中的氮。 [外文原描述]： ISO 1871:2009 provides general guidelines for the determination of nitrogen by the Kjeldahl method. It applies to food and feed products containing nitrogenous compounds that can be directly determined by the Kjeldahl method. This measurement principle does not take into account the nitrogen from nitrates and nitrites.
英文名称Food and feed products — General guidelines for the determination of nitrogen by the Kjeldahl method