Codes & Standards - Purchase
ISO 172:1978
Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia
SKU: iso_004006_100605
Published by ISO
Publication Year 1978
1 Edition
1 pages
Product Details
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.