Codes & Standards - Purchase
Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia
SKU: iso_004006_100605 Published by ISO Publication Year 1978 1 Edition 1 pages
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.