GSO ISO 172:2015

ISO 172:1978

Gulf Standard Current Edition · Approved on 03 September 2015

Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia

GSO ISO 172:2015 Files

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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.

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