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Homepage>CSN Standards>79 LEATHER INDUSTRY>7938 Analysis and testing of leathers and furs>CSN EN ISO 17226-2 - Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis
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Released: 01.07.2019
CSN EN ISO 17226-2 - Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis

CSN EN ISO 17226-2

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

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Number of Standard:CSN EN ISO 17226-2
Category:793886
Pages:20
Released:01.07.2019
Catalog number:507437
DESCRIPTION

CSN EN ISO 17226-2

CSN EN ISO 17226-2 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.
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