奶粉中的氮和蛋白质的测定(凯氏定氮法)
根据凯氏定氮法比色滴定测定奶粉中的氮和蛋白质
本注释中介绍了一种根据 EN ISO 8968-1:2014 [1]、AOAC 991.20 [2] 和 AOAC 930.29 [3] 测定奶粉中总氮和蛋白质含量的可靠、有效的方法。使用凯氏消解仪 K-449 消解样品。使用全自动凯氏定氮仪 K-375 比色滴定和自动凯氏定氮进样器 K-376 进行蒸馏和硼酸滴定。
注册下载
相关仪器
类似的应用
Nitrogen and Protein Determination in Animal Feed according to the Kjeldahl method
The determination of protein in feed is a routine procedure for quality assurance and labelling. A simple and fast method for protein determination in feed products according to the ISO 5983-2:2009 and AOAC 954.01 regulations is introduced below. The sample is digested with sulfuric acid and Kjeldahl Tablets Titanium using the digest Automat K-438, followed by distillation and titration with the KjelMaster K-375 with KjelSampler K-376.