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EVS-EN ISO 120:2001

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

General information

Valid from 01.07.2001
Base Documents
ISO 120:1977; EN ISO 120:1998
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.07.2001
Main
This standard specifies a colorimetric comparison method for the semi-quantitative determination of the amount of ammonia 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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