ISO 14849:1999

Current Revision
Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Indophenol method

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Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Indophenol method

This International Standard specifies a colorimetric comparison method for the determination of the amount of ammonia and ammonium compounds in phenol-formaldehyde mouldings.

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.

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