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ISO 14849:1999

Current Date published:

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.

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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Related Information

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  • BS 2782-1:Methods 131C and 131D:1978

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    Methods of testing plastics. Chemical properties, Determination of inorganic chlorine in epoxide resins and glycidyl esters

  • BS 2782-4:Method 451A:1978

    Methods of testing plastics. Chemical properties, Determination of acetone-soluble matter in phenolic mouldings

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ISO 14849:1999

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