SSH EN ISO 120:2006

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

Publication date: Jan 1, 2006

General information

Current stage: 60.60 Effective date: Jan 1, 2006

Originator: DPS

Owner: DPS/KT 249

Type: European Norm

ICS: 83.080.10

Languages: English

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Status: Published

PDF - ALL 1,963

Paper - ALL 1,963

CD - ALL 1,963

PDF and Paper - ALL 3,926

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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
SSH EN ISO 120:2006
60.60 Standard published
Jan 1, 2006

Related project

Adopted from EN ISO 120:1998

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