• Temperature effect on the adsorption and desorption processes in retinoic acid crystals: An electrical conductivity study

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    • Keywords


      Absorption and desorption processes; conductivity of retinoic acid crystal; chemical vapour adsorption; modified Roginsky-Zeldovich equation

    • Abstract


      Using electrical conductivity as a probe, the effect of crystal temperature on the process of adsorption and desorption of some chemical vapours on retinoic acid semiconductor has been investigated. It has been observed that a three-stage adsorption process in a sample at low temperature changes over to a two-stage process at higher temperature. Measures of activation energies of adsorption and desorption at different stages have been estimated from kinetic data analysis by using a modified Roginsky-Zeldovich equation.

    • Author Affiliations


      Bani Mitra1 T N Misra1

      1. Optics Department, Indian Association for the Cultivation of Science, Calcutta - 700 032, India
    • Dates

  • Journal of Chemical Sciences | News

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