• The determination of interfacial tension by differential capillary rise

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    • Keywords


      Interfacial tension; capillary rise; surface tension

    • Abstract


      A method for directly determining interfacial tension without iteration from the difference in height between two capillaries is presented. An experimental technique is described for organic liquids both lighter and heavier than water, in which the menisci recede over surfaces wetted by the aqueous phase, thus providing the most favourable conditions for zero contact angle. The values determined experimentally using tables prepared from the known shapes of sessile interfaces agree well with accepted values of the interfacial tension.

    • Author Affiliations


      S Ramakrishnan1 S Hartland1

      1. Department of Industrial and Engineering Chemistry, Swiss Federal Institute of Technology, Zürich - CH-8092, Switzerland
    • Dates

  • Journal of Chemical Sciences | News

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