| Título: | Molecular Interactions of Selected Amino Acids in Aqueous Resorcinol Solutions: Volumetric, Viscometric and Acoustic Studies |
| Autores: |
Roy, Mahendra Nath; Department of Chemistry, North Bengal University, Darjeeling-734 013 Bhattacharjee, Arijit; Department of Chemistry, North Bengal University, Darjeeling-734 013 Chanda, Riju; Department of Chemistry, North Bengal University, Darjeeling-734 013 |
| Fecha: | 2009-01-01 |
| Publicador: | Indian Society for Education and Environment (ISEE) |
| Fuente: |
Ver documento |
| Tipo: |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article |
| Tema: |
Science; Technology Apparent Molar Volume, Viscosity Bcoefficient, Isentropic Compressibility, Amino Acid |
| Descripción: | Apparent molar volumes, Vø,, viscosities, η, and apparent molal isentropic compressibility, Kø,, of glycine, L-alanine, L-valine and L-leucine in 0.05, 0.10, 0.15 mol kg-1 resorcinol solutions have been determined at 298.15 K by measuring the densities, viscosities and ultrasonic speed of the above solutions respectively. The apparent molar volumes at infinite dilution, Vø0, standard volumes of transfer, ΔtrVø 0, apparent molar isentropic compressibilities, Kø 0, transfer compressibilities, ΔtrKø 0, hydration number, Nw, of the amino acids have been calculated for investigating the various interactions in the ternary solutions. The linear correlation of partial molar volume and viscosity Bcoefficients with increasing number of carbon atoms in the alkyl chain have been utilized to calculate the contributions of charged end groups (NH3 +,COO-), CH2- groups and other alkyl chains of amino acids to Vø 0. The results have been interpreted in terms of ion-ion, ion-polar, hydrophilic-hydrophilic and hydrophobichydrophobic group interactions in the mixed ternary solutions. |
| Idioma: | Inglés |
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