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IJPAP Vol.50(02) [February 2012] >


Title: Effect of LiCl, NaCl and KCl on aqueous phenylalanine at 303 K
Authors: Sumathi, T
Varalakshmi, M
Keywords: Adiabatic Compressibility
Apparent Molal Compressibility
Apparent Molal Volume
Kosmotropes
Chaotropes
Ion-ion
Ion-solvent
Ultrasonic Study
Issue Date: Feb-2012
Publisher: NISCAIR-CSIR, India
Abstract: Density, speed of sound and viscosity data for 2-amino 3-phenyl propanoic acid commonly known as phenylalanine in aqueous sodium chloride (NaCl), potassium chloride (KCl) and lithium chloride (LiCl) have been measured in the concentration range 0.00-0.10 mol.kg-1 at 303 K. From these data, adiabatic compressibility (), change (), relative change in adiabatic compressibility (/0), acoustic impedance (Z), limiting apparent molar compressibility (k), limiting apparent molar volume (v) and their constants Sk and Sv have been computed. The observed variation of these parameters helps in understanding the nature of solute-solvent interactions present in the system. The structure-breaking capacity of phenylalanine has been inferred from aqueous electrolytes using Jones-Dole equation.
Page(s): 105-109
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.50(02) [February 2012]

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