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ISO 172:1978

Current Revision

Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 172
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 61/SC 12/WG 1
Publish Date Document Id Type View
Not Available ISO 172:1978 Revision