ISO 9455-9:1993
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ISO 9455-9:1993
17176

Estado : Retirada

Esta norma ha sido revisada por ISO 9455-9:2020

Resumen

The principle of the method specified is to distil a prepared flux solution with sodium hydroxide to expel the ammonia present in the flux, to pass the resulting distillate into a standard sulfuric acid solution, to titrate the excess acid with sodium hydroxide solution and to calculate the ammonia content of the flux. Applies to fluxes of class 3.1.1 only, as defined in ISO 9454-1.

Informaciones generales

  •  : Retirada
     : 1993-04
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 4
  • ISO/TC 44/SC 12
    25.160.50 
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