Codes & Standards - Purchase
ISO 1264:1980
Plastics -- Homopolymer and copolymer resins of vinyl chloride -- Determination of pH of aqueous extract
SKU: iso_005866_101461
Published by ISO
Publication Year 1980
1 Edition
2 pages
Product Details
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.