ISO 3657:1988

Animal and vegetable fats and oils — Determination of saponification value

95.99 Withdrawal of Standard Jun 13, 2002

General information

Current stage: 95.99 Effective date: Jun 13, 2002

Originator: ISO

Owner: ISO/TC 34/SC 11

Type: International Standard

ICS: 67.200.10

Scope

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.

Life cycle

PREVIOUSLY

Revises
ISO 3657:1977

NOW

WITHDRAWN
ISO 3657:1988
95.99 Withdrawal of Standard
Jun 13, 2002

REVISED BY

WITHDRAWN
ISO 3657:2002

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