Abstract
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.
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General information
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Status: PublishedPublication date: 1999-08Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 8
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Technical Committee :ISO/TC 61/SC 12ICS :83.080.10
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