DS DS/EN ISO 120
DS DSEN SO 120 1999-MAR-31 Plastcs - Phenol-formaldehyde mouldngs - Determnaton of free ammona and ammonum compounds - Colormetrc comparson method
Cart
(empty)
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.