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Concentration Effect of Sodium Chloride and Potassium Chloride on Enthalpies of Mixing of N-Glycylglycine with d-Mannitol in Aqueous Solutions at 298.15 K

التفاصيل البيبلوغرافية
العنوان: Concentration Effect of Sodium Chloride and Potassium Chloride on Enthalpies of Mixing of N-Glycylglycine with d-Mannitol in Aqueous Solutions at 298.15 K
المؤلفون: You-Ying Di, Min Liu, Lanying Zhu, Lili Wang, Guangqian Li, Dezhi Sun
المصدر: Journal of Chemical & Engineering Data. 55:3268-3273
بيانات النشر: American Chemical Society (ACS), 2010.
سنة النشر: 2010
مصطلحات موضوعية: Glycylglycine, Isothermal microcalorimetry, Molality, Aqueous solution, Chemistry, General Chemical Engineering, Sodium, Potassium, Inorganic chemistry, Solvation, chemistry.chemical_element, General Chemistry, Entropy of mixing, chemistry.chemical_compound
الوصف: The enthalpies of mixing of N-glycylglycine with d-mannitol in aqueous sodium chloride and potassium chloride solutions have been determined by using flow-mix isothermal microcalorimetry at 298.15 K. The results, along with the enthalpies of dilution of these solutes, have been analyzed using the McMillan−Mayer theory to obtain the heterotactic enthalpic interaction coefficients (hxy, hxxy, and hxyy). It has been found that the heterotactic enthalpic pairwise interaction coefficients hxy between N-glycylglycine and d-mannitol in aqueous sodium chloride or potassium chloride solutions are negative and become less negative as the molality of sodium chloride or potassium chloride increases. The results have been interpreted from the point of view of solute−solute interactions and solvation effects.
تدمد: 1520-5134
0021-9568
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::e92c5f57fff103313a6388016bb42657
https://doi.org/10.1021/je100076v
رقم الأكسشن: edsair.doi...........e92c5f57fff103313a6388016bb42657
قاعدة البيانات: OpenAIRE
الوصف
تدمد:15205134
00219568