ISO 120:1977
p
ISO 120:1977
3922

Abstract

 Preview

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.


General information 

  •  :  Published
     : 1977-10
  •  : 1
     : 2
  •  : ISO/TC 61/SC 12 Thermosetting materials
  •  :
    83.080.10 Thermosetting materials

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