ISO 5398-1:2018

Leather — Chemical determination of chromic oxide content — Part 1: Quantification by titration

Publication date: Jun 15, 2018

General information

Current stage: 90.60 Effective date: Sep 3, 2023

Originator: ISO

Owner: IULTCS

Type: International Standard

ICS: 59.140.30

Languages: English French

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Status: Published

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Scope

This document describes a method for the determination of chromium in aqueous solution obtained from leather. This is an analysis for total chromium in leather; it is not compound specific or specific to its oxidation state.
This method describes the determination of chrome by iodometric titration and is to be applicable to chromium-tanned leathers which are expected to have chromic oxide contents in excess of 0,3 %. Two different methods are described as alternatives for obtaining chromium in a suitable solution. It is appropriate to use either method.

Life cycle

PREVIOUSLY

Revises
ISO 5398-1:2007

NOW

PUBLISHED
ISO 5398-1:2018
90.60 Close of review
Sep 3, 2023

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