GSO ISO 172:2015
Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia

Standard No.

GSO ISO 172:2015

Release Date

2015

Published By

GSO

Latest

GSO ISO 172:2015

Scope

This International Standard specifies 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 powdered sample. It may be used when the absence of free ammonia is a requirement.

GSO ISO 172:2015 history

• 2015 GSO ISO 172:2015 Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia