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Quantum effects in dilute adsorption systems Macrury, Thomas Bernard

Abstract

The adsorption isotherm and the equation of state for the two-dimensional gas are derived from the grand canonical ensemble. Then the quantum statistical equation'of state is developed and applied to the two-dimensional second virial coefficient, B⁽²⁾, and the second gas-surface virial coefficient, B[subscript]AS, We compare theoretically the (12,6) and (12,6,3) potential models for B⁽²⁾. Finally the adsorption data for CH₄, CD₄, H₂ and D₂ on graphite are analysed quantally for the two-dimensional second virial coefficient and the second gas-surface virial coefficient.

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