ISO 172:1978

Plastics — Phenol-formaldehyde mouldings — Detection of free ammonia

NORMA vydaná dňa 1.8.1978

Anglicky -
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Francúzsky -

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The information about the standard:

Designation standards: ISO 172:1978
Publication date standards: 1.8.1978
The number of pages: 1
Approximate weight : 3 g (0.01 lbs)
Country: International technical standard
Kategória: Technické normy ISO

Annotation of standard text ISO 172:1978 :

Description / Abstract: 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.