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ISO 17226-1:2021

Leather — Chemical determination of formaldehyde content — Part 1: Method using high-performance liquid chromatography

Feb 17, 2021

General information

90.20     Jan 15, 2026

ISO

IULTCS

International Standard

59.140.30  

English   French  

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Scope

This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on high-performance liquid chromatography (HPLC), is selective and not sensitive to coloured extracts and is intended to be used for precise quantification of formaldehyde.
The formaldehyde content is taken to be the quantity of free formaldehyde and formaldehyde extracted through hydrolysis contained in a water extract from the leather under standard conditions of use.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 17226-1:2018

NOW

PUBLISHED
ISO 17226-1:2021
90.20 Standard under periodical review
Jan 15, 2026

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