International Standard
ISO 1264:1980
Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of pH of aqueous extract
Reference number
ISO 1264:1980
Edición 1
1980-11
International Standard
Vista previa
p
ISO 1264:1980
5866
No disponible en español
Publicado (Edición 1, 1980)
Esta norma se revisó y confirmó por última vez en 2020. Por lo tanto, esta versión es la actual.

ISO 1264:1980

ISO 1264:1980
5866
Formato
Idioma
CHF 42
Convertir Franco suizo (CHF) a tu moneda

Resumen

Treatment of a test portion of resin with a given volume of an aqueous solution of sodium chloride previous neutralized to pH 7,0. After stirring and decanting, measurement of the potential difference existing between a glass electrode and a reference calomel electrode immersed in the liquid maintained at 23 °C and reading of this difference, expressed in pH units directly on th pH meter scale.

Informaciones generales

  •  : Publicado
     : 1980-11
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 2
  • ISO/TC 61/SC 9
    83.080.20 
  • RSS actualizaciones

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