ISO 8968-1:2014 (IDF 20-1:2014) Preview

Milk and milk products -- Determination of nitrogen content -- Part 1: Kjeldahl principle and crude protein calculation

ISO 8968-1|IDF 20-1:2014 specifies a method for the determination of the nitrogen content and crude protein calculation of milk and milk products by the Kjeldahl principle, using traditional and block digestion methods. The methods are applicable to: liquid cow's (whole, partially skimmed or skimmed milk), goat's and sheep's whole milk; hard, semi-hard and processed cheese; dried milk and dried milk products (including milk-based infant formulae, milk protein concentrate, whey protein concentrate, casein and caseinate). The methods are not applicable to samples containing ammonium caseinate.

General information ^

Status : Published

Publication date : 2014-02
Edition : 2

Number of pages : 18
Technical Committee
:
ISO/TC 34/SC 5

Milk and milk products
ICS :

67.100.10

Milk and processed milk products

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	Format	Language
std 1 88	PDF + ePub
std 2 88	Paper
std 3 88	PDF

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Life cycle

A standard is reviewed every 5 years

Revisions / Corrigenda

Previously
ISO 5549:1978
ISO 8968-1:2001
ISO 8968-2:2001
ISO 8968-4:2001/Cor 1:2011
ISO/TS 17837:2008
Now under review
ISO 8968-1:2014

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By Sandrine Tranchard on 6 February 2014

Protein measurement standard expanded for greater consumer protection and harmonized trade

IDF and ISO have joined forces to expand the scope of an international standard used worldwide in the dairy industry to measure the protein content of cow's milk. The Kjeldahl method now encompasses milk from other species as well as internationally traded dairy products covered by Codex standards. The...

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