EN ISO 172:1998

Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978)

Publication date:   Dec 22, 2003

General information

60.60 Standard published   Jul 22, 1998

CEN

CEN/TC 249 Plastics

European Norm

83.080.10   Thermosetting materials

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Scope

Specification of a qualitative method of detecting the presence of free ammonia or other volatile bases in phenol-formaldehyde mouldings by the exposure of an indicator paper to the vapour from a moistened powdered sample. It may be used when the absence of free ammonia is a requirement.

Life cycle

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PUBLISHED
EN ISO 172:1998
60.60 Standard published
Jul 22, 1998

Relations

Adopted from ISO 172:1978 IDENTICAL