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ISO 1264:1980

Plastics — Homopolymer and copolymer resins of vinyl chloride — Determination of pH of aqueous extract
1 nën 1980

General information

90.60     3 sht 2025

ISO

ISO/TC 61/SC 9

International Standard

83.080.20  

frëngjisht   anglisht  

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 1264:1980
90.60 Close of review
3 sht 2025

REVISED BY

ABANDON
ISO/WD 1264