NF EN ISO 8968-4

NF EN ISO 8968-4

May 2002
Standard Cancelled

Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content

ISO 8968-4|IDF 20-4:2001 specifies a method for the determination of the non-protein nitrogen content of liquid milk, whole or skimmed.

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Main informations

Collections

National standards and national normative documents

Publication date

May 2002

Number of pages

16 p.

Reference

NF EN ISO 8968-4

ICS Codes

67.100.10   Milk and processed milk products

Classification index

V04-221-4

Print number

1 - 07/12/2002

International kinship

ISO 8968-4:2001

European kinship

EN ISO 8968-4:2001
Sumary
Milk - Determination of nitrogen content - Part 4 : determination of non-protein nitrogen content

ISO 8968-4|IDF 20-4:2001 specifies a method for the determination of the non-protein nitrogen content of liquid milk, whole or skimmed.

Replaced standards (1)
NF V04-211
December 1971
Standard Cancelled
Milk. Determination of total nitrogen content. (kjeldahl method).

Standard replaced by (1)
NF EN ISO 8968-4
June 2016
Standard Current
Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

ISO 8968-4|IDF 20-4:2016 specifies a method for the direct and indirect determination of the protein nitrogen content of liquid, whole or skimmed milk.

Table of contents
  • Avant-propos
    iv
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Terme et définition
    1
  • 4 Principe
    1
  • 5 Réactifs
    2
  • 6 Appareillage
    2
  • 7 Échantillonnage
    3
  • 8 Préparation de l'échantillon pour essai
    3
  • 9 Mode opératoire
    3
  • 9.1 Prise d'essai
    3
  • 9.2 Détermination
    3
  • 9.3 Essai à blanc
    4
  • 10 Calcul et expression des résultats
    4
  • 11 Fidélité
    5
  • 11.1 Essai interlaboratoires
    5
  • 11.2 Répétabilité
    5
  • 11.3 Reproductibilité
    5
  • 12 Rapport d'essai
    5
  • Bibliographie
    6
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