International Standard
ISO 2270:1989
Non-ionic surface active agents — Polyethoxylated derivatives — Iodometric determination of oxyethylene groups
Reference number
ISO 2270:1989
Edición 2
International Standard
Vista previa
ISO 2270:1989
No disponible en español
Publicado (Edición 2, 1989)
Esta norma se revisó y confirmó por última vez en 2021. Por lo tanto, esta versión es la actual.

ISO 2270:1989

ISO 2270:1989
CHF 42
Convertir Franco suizo (CHF) a tu moneda


The sample is hydrolyzed by nascent hydroiodic acid. The iodine liberated is titrated with a standard volumetric sodium thiosulfate solution. The method is applicable to the analysis of polyethoxylated derivatives of primary saturated fatty alcohols, oleyl alcohol, satureted fatty acids, straight and branched chain alkylphenols. It is not applicable in the present of compounds containing sulfur or nitrogen, compounds containing oxypropylene group, aldehydes or acetals, sterols and derivatives.

Informaciones generales

  •  : Publicado
     : 1989-08
    : Norma Internacional confirmada [90.93]
  •  : 2
     : 5
  • ISO/TC 91
  • RSS actualizaciones

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