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Norm
ISO 4045:1977
Issue date: 1977 09 01
Leather — Determination of pH
The principle consists in preparation of an aqueous extract from a test portion of the leather, and measurement of the pH of the extract, using a pH meter. The definition...
Withdrawn: 2008 02 07
Publisher:
International Organization for Standardization
Format:
Digital | 2 Pages
Language:
English
Currently valid:
ICS
The principle consists in preparation of an aqueous extract from a test portion of the leather, and measurement of the pH of the extract, using a pH meter. The definition of a difference figure of an aqueous leather extract is given. Reagents, apparatus, procedure and the test report are specified.
