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A study of transport phenomenon of urea and its sulphur analogue across a naturally hydrophilic membrane | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X
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Abstract

A study of transport phenomenon of urea and its sulphur analogue across a naturally hydrophilic membrane

Author(s): Anjali Anand, Meena Sharma

Studies of the hydrodynamic flow of aqueous solutions of urea and its sulphur analogue i.e., thiourea through a naturally hydrophilic membrane like NylonTM Biobond membrane are described in terms of hydrodynamic permeability values. The permeability values are interpreted in terms of a pseudo-activation process. The enthalpy of activation (DH*), entropy of activation (DS*), Free energy of activation (DG*) have been estimated from Eyring’s rate equation. The negative values of ΔS* suggests that the flow of solutions through the membranes is more ordered which may be attributed to the greater membrane-solution interaction.


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