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SRPS G.S1.710:1984

Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method (ISO 120:1977)

Dec 14, 1984
Dec 14, 1984

General information

90.93     Dec 28, 2020

ISS

G061

European Norm

83.080.10  

Serbian  

biljana

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Scope

Specification of a semi-quantitative method. The content of free ammonia in a moulded article is of importance, when corrosion of metal inserts or contamination in contact with the article has to be considered. Distillation of the aqueous extract from a powdered test portion, coloration of the distillate by reaction with Nessler reagent and comparison of the colour with that of standard matching solutions.

Life cycle

NOW

PUBLISHED
SRPS G.S1.710:1984
90.93 Standard confirmed
Dec 28, 2020

Related project

Adopted from EN ISO 120:1998

Adopted from EN ISO 172:1998

Adopted from ISO 120:1977

Adopted from ISO 172:1978