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|Title:||Thermodynamic and transport studies on some basic amino acids in aqueous sodium acetate solution at different temperatures|
|Keywords:||Molal hydration number;Limiting apparent molal volume;Adiabatic compressibility;Apparent molal compressibility|
|Abstract:||Ultrasonic velocity (U), density () and viscosity () of three amino acids namely l-arginine, l-lysine and l-histidine in aqueous sodium acetate solution (0.4 mol. kg-1) as a function of composition at 298.15, 308.15 and 318.15 K, have been measured. Using these experimental values, the acoustical parameters such as adiabatic compressibility (), molal hydration number (nH), apparent molal compressibility (K), apparent molal volume (V), limiting apparent molal compressibility (K0), limiting apparent molal volume (V0), the constants (SK, SV) and viscosity B-coefficient of Jones-Dole equations were calculated for all the three systems. These parameters have been thoroughly analysed and eventually emphasizing the possible molecular interactions in terms of structure-making and structure-breaking effects of the above amino acids in the solvent mixture|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.49(07) [July 2011]|
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