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Plastics - Homopolymer and copolymer resins of vinyl chloride - Determination of pH of aqueous extract


Document Number: ISO 1264:1980
File Size: 202 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $37.00
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 øC and reading of this difference, expressed in pH units directly on th pH meter scale.

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