NF EN ISO 172 : 1998
Current
Current
The latest, up-to-date edition.
PLASTICS - PHENOL-FORMALDEHYDE MOULDINGS - DETECTION OF FREE AMMONIA
Published date
01-12-2013
Publisher
Defines a qualitative procedure for detection of the presence of free ammonia or other volatile bases in phenol-formaldehyde mouldings by the exposure of an indicator paper to the vapour from a powdered sample.
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