ISO-17226-2 › Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis

ISO-17226-2 - 2ND EDITION - CURRENT
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This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on colorimetric analysis, is not intended to be used for a 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.

This process is not absolutely selective for formaldehyde. Other compounds such as extracted dyes could interfere at 412 nm.

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59.140.30 (Leather and furs)

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Document Number

ISO 17226-2:2018

Revision Level

2ND EDITION

Status

Current

Publication Date

Dec. 1, 2018

Committee Number

IULTCS