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.
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Informaciones generales
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Estado: PublicadoFecha de publicación: 1980-11Etapa: Norma Internacional confirmada [90.93]
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Edición: 1Número de páginas: 2
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Comité Técnico :ISO/TC 61/SC 9ICS :83.080.20
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