Numéro de référence
ISO 5279:1980
ISO 5279:1980
Toluène — Détermination des impuretés hydrocarbonées — Méthode par chromatographie en phase gazeuse
Edition 1
1980-10
Annulée
ISO 5279:1980
11275
Annulée (Edition 1, 1980)

Résumé

Applicable to the quantitative determination of contents of benzene, C8 aromatics and aliphatics up to n-nonane in the range between 0.01 % (m/m) and 1.00 % (m/m). Alternatives that will give equivalent results may also be used. Addition of a known amount of intgernal standard to a test portion and introduction of an aliquot portion of this mixture into a separating column. Sweeping of the vaporized mixture through the column by a flow of carrier gas. Detection of each component as it emerges by a flame ionization detector and recording as a peak on a diagram. Identification by their relative retention times and quantitative determination from the ratio of their peak areas.

Informations générales

  •  : Annulée
     : 1980-10
    : Annulation de la Norme internationale [95.99]
  •  : 1
     : 4
  • ISO/TC 47
    71.080.15 
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