Numéro de référence
ISO 5274:1979
ISO 5274:1979
Hydrocarbures aromatiques — Détermination de l'indice de coloration sulfurique
Edition 1
1979-07
Annulée
ISO 5274:1979
11270
Annulée (Edition 1, 1979)

Résumé

Specifies an acid washing test. Gives some indication of the degree of refining but does not give a precise measure of the amount of unsaturated compounds present as different unsaturated compounds produce different colourations with sulphuric acid. Shaking together of equal volumes of the sample and 95 % (m/m) sulphuric acid. Comparison of the colour of the acid layer with that of standard matching solutions.

Informations générales

  •  : Annulée
     : 1979-07
    : Annulation de la Norme internationale [95.99]
  •  : 1
     : 2
  • ISO/TC 47
    71.080.15 
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