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ISO 4045:2018

Leather — Chemical tests — Determination of pH and difference figure

Publication date:   May 8, 2018

General information

90.93   Standard confirmed   Mar 26, 2025

ISO

IULTCS International Union of Leather Technologists and Chemists Societies

International Standard

59.140.30   Leather and furs

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Scope

This document specifies a method for determining the pH value and the difference figure of an aqueous leather extract. It is applicable to all types of leather.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4045:2008

NOW

PUBLISHED
ISO 4045:2018
90.93 Standard confirmed
Mar 26, 2025