Enthalpic interactions of some alpha-amino acids with glycol in aqueous solutions at 298.15 K

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作者: By:Yu, L [ 1 ] Li, SX [ 1 ] Zhu, Y [ 2 ] Pang, XH [ 2 ] Geng, F [ 1 ] Li, XP [ 1 ]

作者单位: Shandong Univ, Minist Educ, Key Lab Colloid & Interface Chem, Jinan 250100, Peoples R China Organization-Enhanced Name(s) Shandong University Taishan Med Coll, Dept Chem & Chem Engn, Tai An 271000, Shandong, Peoples R China Organization-Enhanced Name(s) Taishan Medical University

摘要: The enthalpies of mixing of six kinds of aqueous ami no acid solutions (Glycine, L-alanine, L-Valine, L-serine, L-threonine and L-proline) and aqueous glycol solution and their respective enthalpies of dilution have been determined at 298.15 K using flow microcalorimetry. The experimental data have been analyzed according to the McMillan-Mayer formalism to obtain the heterotactic enthalpic interaction coefficients (h(xy)). h(xy) coefficients have been discussed from the points of view of solute-...更多; The enthalpies of mixing of six kinds of aqueous ami no acid solutions (Glycine, L-alanine, L-Valine, L-serine, L-threonine and L-proline) and aqueous glycol solution and their respective enthalpies of dilution have been determined at 298.15 K using flow microcalorimetry. The experimental data have been analyzed according to the McMillan-Mayer formalism to obtain the heterotactic enthalpic interaction coefficients (h(xy)). h(xy) coefficients have been discussed from the points of view of solute-solute interactions.收起

学科: 【SCI学科】THERMODYNAMICS;CHEMISTRY, PHYSICAL;CHEMISTRY, ANALYTICAL 【ESI学科】CHEMISTRY

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