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ISO 5398-4:2018

Leather — Chemical determination of chromic oxide content — Part 4: Quantification by inductively coupled plasma (ICP)

Publication date:   Dec 20, 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 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 chromium by inductively coupled plasma (ICP) and is applicable to leathers which are expected to have chromic oxide contents in excess of 1 mg/kg. Two techniques for the preparation of the solution to be analysed are included. In the event of dispute, the wet oxidation technique is intended to be used.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5398-4:2007

NOW

PUBLISHED
ISO 5398-4:2018
90.93 Standard confirmed
Mar 26, 2025