99.60 Withdrawal effective Feb 6, 2019
CEN
CEN/TC 289 Leather
European Norm
59.140.30 Leather and furs
Withdrawn
ISO 17226-2:2008 specifies a method for the determination of free and released formaldehyde in leathers. This method is based on colorimetric analysis.
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.
WITHDRAWN
CEN ISO/TS 17226:2003
WITHDRAWN
EN ISO 17226-2:2008
99.60
Withdrawal effective
Feb 6, 2019
WITHDRAWN
EN ISO 17226-2:2008/AC:2009
PUBLISHED
EN ISO 17226-2:2019