International Standard
ISO 1264:1980
Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of pH of aqueous extract
Reference number
ISO 1264:1980
Edition 1
1980-11
© ISO 2024
International Standard
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Published (Edition 1, 1980)
This standard was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 1264:1980

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CHF 42
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 1980-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 61/SC 9
    ICS :
    83.080.20 
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