International Standard
ISO 17226-2:2018
Leather — Chemical determination of formaldehyde content — Part 2: Method using colorimetric analysis
Reference number
ISO 17226-2:2018
ISO 17226-2:2018
Edition 2
2018-12
2018-12
© ISO 2024
International Standard
Abstract
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.
Life cycle
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Previously
WithdrawnISO 17226-2:2008
WithdrawnISO 17226-2:2008/Cor 1:2009
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Now
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