This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
This International Standard specifies a colorimetric comparison method for the determination of the amount of
ammonia and ammonium compounds in phenol-formaldehyde mouldings.
NOTE This International Standard does not provide an absolute measure of the amount of ammonia present.
The amount of ammonia in a moulded article is of importance when corrosion of metal inserts or contamination of
foodstuffs in contact with the article has to be considered.
Status : PublishedPublication date : 1999-08
Edition : 1Number of pages : 8
Technical Committee:Thermosetting materials
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