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Nitrogen and protein determination in milk powder

Nitrogen and protein determination in milk powder according to the Kjeldahl method by colorimetric titration
Milk Powder

In this note a reliable and efficient method for the determination of total nitrogen and protein in milk powder, according to EN ISO 8968-1:2014 [1], AOAC 991.20 [2] and AOAC 930.29 [3] is presented. The samples are digested using the KjelDigester K-449. The distillation and boric acid titration are performed with the KjelMaster K-375 by colorimetric titration and the KjelSampler K-376.