Reference number
ISO 3657:1988
© ISO 2024
ISO 3657:1988
Animal and vegetable fats and oils — Determination of saponification value
Edition 2
1988-12
Withdrawn
Withdrawn (Edition 2, 1988)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1988-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 34/SC 11
    ICS :
    67.200.10 
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