ISO 7238:1983Withdrawn

Butter — Determination of pH of the serum — Potentiometric method

Beurre — Détermination du pH de la phase aqueuse — Méthode potentiométrique

This edition has been replaced by ISO 7238:2004.

Abstract / scope

Specifies a method for measuring the potential difference between a glass electrode and a reference electrode in the serum separated from melted butter. Is applicable to all types of butter. The sampling shall be made according to ISO 707. The value measured is expressed as pH unit.

Life cycle

Replaced by

ISO/WD 7238Deleted (project abandoned)Butter — Determination of pH of the serum — Potentiometric methodInternational Standard · ISO/TC 34/SC 5 ISO 7238:2004PublishedButter — Determination of pH of the serum — Potentiometric methodInternational Standard · Published 25 Nov 2004 · ISO/TC 34/SC 5