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ČSN EN ISO 17226-2 (793886)
Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis
Translate name
STANDARD published on 1.7.2019
The information about the standard:
Designation standards: ČSN EN ISO 17226-2
Classification mark: 793886
Catalog number: 507437
Publication date standards: 1.7.2019
SKU: NS-953053
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 17226-2 (793886):
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
Preview of the standard ČSN EN ISO 17226-2 (793886)
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