ISO 3657:1988

Animal and vegetable fats and oils — Determination of saponification value

OVERVIEW

The second edition cancels and replaces the first edition (ISO 3657:1977), of which it constitutes a technical revision. The method consists in boiling of a sample under reflux with ethanolic potassium hydroxide solution, followed by titration of the excess potassium hydroxide with standard volumetric hydrochloric acid solution.

COMMENTS

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PRODUCT DETAILS

Status Withdrawn - 06 Jan 2026
Edition 1988
No. of Pages 2
ICS Classification 67.200.10 Animal and vegetable fats and oils
Committee ISO/TC 34/SC 11
Available for Purchase For sale in Singapore only
Adoption ISO