Reference number
ISO 4045:1977
© ISO 2025
ISO 4045:1977
Leather — Determination of pH
Edition 1
1977-09
Withdrawn
Withdrawn (Edition 1, 1977)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1977-09
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    IULTCS
    ICS :
    59.140.30 
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