ISO 8968-5:2001 (IDF 20-5:2001)
Milk -- Determination of nitrogen content -- Part 5: Determination of protein-nitrogen content
This standard has been revised by ISO 8968-4:2016
ISO 8968-5|IDF 20-5:2001 specifies a method for the direct determination of the protein-nitrogen content of liquid milk, whole or skimmed.
An alternative indirect method using calculations is also described.
A standard is reviewed every 5 years
Revisions / Corrigenda