NBN EN ISO 17226-2:2019

Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (ISO 17226-2:2018)

ACTIVE

About this standard

Languages
German, English and French
Type
NBN
Standards committee
CEN/TC 289
Status
ACTIVE
Publication date
27 February 2019
Replaces
NBN EN ISO 17226-2:2008, NBN EN ISO 17226-2/AC:2009
ICS Code
59.140.30 (Leather and furs)
Withdrawn Date

About this training

Summary

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.