NF ISO 7238

NF ISO 7238

August 2008
Standard Current

Butter - Determination of pH of the serum - Potentiometric method

ISO 7238|IDF 104:2004 specifies a potentiometric method for the determination of the pH of the serum from all types of butter.

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Main informations

Collections

National standards and national normative documents

Publication date

August 2008

Number of pages

11 p.

Reference

NF ISO 7238

ICS Codes

67.100.20   Butter

Classification index

V04-316

Print number

1 - 30/07/2008

International kinship

ISO 7238:2004
Sumary
Butter - Determination of pH of the serum - Potentiometric method

ISO 7238|IDF 104:2004 specifies a potentiometric method for the determination of the pH of the serum from all types of butter.

Replaced standards (1)
NF V04-316
February 1985
Standard Cancelled
Butter. Determination of pH of the serum. Potentiometric method.

Table of contents
  • Avant-propos
    iv
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Principe
    1
  • 5 Réactifs
    1
  • 6 Appareillage
    2
  • 7 Échantillonnage
    2
  • 8 Mode opératoire
    3
  • 8.1 Prise d'essai
    3
  • 8.2 Séparation de la phase aqueuse
    3
  • 8.3 Étalonnage du pH-mètre
    3
  • 8.4 Détermination
    3
  • 8.5 Nettoyage des électrodes
    3
  • 9 Expression des résultats
    3
  • 10 Fidélité
    4
  • 10.1 Répéatabilité
    4
  • 10.2 Reproductibilité
    4
  • 11 Rapport d'essai
    4
  • Bibliographie
    5
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