ABSTRACT

Ultrasonic velocity and density values of l-phenylalanine, l-leucine, l-glutamic acid, and l-proline + 2 mol*L-1 aqueous NaCl and 2 mol*L-1 aqueous NaNO3 solutions have been measured for several molal concentrations of amino acids at different temperatures from T = (298.15 to 328.15) K. The isentropic compressibility values (?s) have been computed using the ultrasonic velocity and density data. The ?s values decrease with an increase in the molal concentration of amino acids as well as with temperature. The trends of variation of ?s with the variation in molal concentration of amino acids as well as with temperature have been discussed in terms of various interactions operative in solutions.

Compounds

#	Formula	Name
1	ClNa	sodium chloride
2	H2O	water
3	NNaO3	sodium nitrate
4	C9H11NO2	L-phenylalanine
5	C6H13NO2	L-leucine
6	C5H9NO4	L-glutamic acid
7	C5H9NO2	L-proline

Datasets

The table above is generated from the ThermoML associated json file (link above). POMD and RXND refer to PureOrMixture and Reaction Datasets. The compound numbers are included in properties, variables, and phases, if specificied; the numbers refer to the table of compounds on the left.
Type	Compound-#	Property	Variable	Constraint	Phase	Method	#Points
POMD	1 2	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Amount concentration (molarity), mol/dm3 - 1; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	8
POMD	1 2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Amount concentration (molarity), mol/dm3 - 1; Liquid	Liquid	PYCNOM:UFactor:4	7
POMD	3 2	Speed of sound, m/s ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Amount concentration (molarity), mol/dm3 - 3; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	7
POMD	3 2	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid Amount concentration (molarity), mol/dm3 - 3; Liquid	Liquid	PYCNOM:UFactor:4	7
POMD	4 1 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 4; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	42
POMD	4 1 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 4; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid	Liquid	PYCNOM:UFactor:4	42
POMD	4 3 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 4; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	63
POMD	4 3 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 4; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid	Liquid	PYCNOM:UFactor:4	63
POMD	5 1 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 5; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	49
POMD	5 1 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 5; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid	Liquid	PYCNOM:UFactor:4	49
POMD	5 3 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 5; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	63
POMD	5 3 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 5; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid	Liquid	PYCNOM:UFactor:4	63
POMD	6 1 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 6; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	49
POMD	6 1 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 6; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid	Liquid	PYCNOM:UFactor:4	49
POMD	6 3 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 6; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	49
POMD	6 3 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 6; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid	Liquid	PYCNOM:UFactor:4	49
POMD	7 1 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 7; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	63
POMD	7 1 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 7; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 1; Liquid	Liquid	PYCNOM:UFactor:4	63
POMD	7 3 2	Speed of sound, m/s ; Liquid	Molality, mol/kg - 7; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid Frequency, MHz; Liquid	Liquid	Linear variable-path acoustic interferometer	63
POMD	7 3 2	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 7; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid Solvent: Amount concentration (molarity), mol/dm3 - 3; Liquid	Liquid	PYCNOM:UFactor:4	63

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Ultrasonic Velocities and Densities of l-Phenylalanine, l-Leucine, l-Glutamic Acid, and l-Proline + 2 molL-1 Aqueous NaCl and 2 molL-1 Aqueous NaNO3 Solutions from (298.15 to 328.15) K

Riyazuddeen, Afrin, S.[Sadaf]

ABSTRACT

Thermodynamics Research Center / ThermoML | Journal of Chemical and Engineering Data

Ultrasonic Velocities and Densities of l-Phenylalanine, l-Leucine, l-Glutamic Acid, and l-Proline + 2 mol*L-1 Aqueous NaCl and 2 mol*L-1 Aqueous NaNO3 Solutions from (298.15 to 328.15) K

Riyazuddeen, Afrin, S.[Sadaf]

ABSTRACT

Ultrasonic Velocities and Densities of l-Phenylalanine, l-Leucine, l-Glutamic Acid, and l-Proline + 2 molL-1 Aqueous NaCl and 2 molL-1 Aqueous NaNO3 Solutions from (298.15 to 328.15) K