ABSTRACT

Densities, p, of glycine (GLY), 4-aminobutyric acid (4-ABA), and 6-aminocaproic acid (6-ACA) in water and in aqueous solutions of sodium acetate (SA) and magnesium acetate (MA) having a molality of (0.10, 0.25, 0.50 and 1.00) mol*kg-1 have been determined by using a vibrating-tube digital densimeter at T = (288.15 to 318.15) K. These data have been used to calculate the apparent molar volumes, V, of the studied a,w-aminocarboxylic acids. The partial molar volumes, V2,m0, at infinite dilution are evaluated and further used to obtain the corresponding transfer volumes, trV2,m0, for a,w-aminocarboxylic acids from water to aqueous SA and MA solutions. Partial molar expansibilities, VE0, of a,w-aminocarboxylic acids and interaction coefficients have been calculated. The trV2,m0 values for the a,w-aminocarboxylic acids are positive, and these values increase with an increase in the concentration of SA and MA as well as with temperature. The results obtained have been rationalized in terms of various interactions taking place in these solutions.

Compounds

#	Formula	Name
1	C2H3NaO2	sodium ethanoate
2	C4H6MgO4	magnesium acetate
3	C2H5NO2	2-aminoacetic acid
4	C4H9NO2	4-aminobutanoic acid
5	C6H13NO2	6-aminohexanoic acid
6	H2O	water

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 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	20
POMD	2 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 2; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	16
POMD	4 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 4; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	24
POMD	5 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 5; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	24
POMD	3 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 3; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	24
POMD	3 1 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid Molality, mol/kg - 3; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	96
POMD	4 1 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid Molality, mol/kg - 4; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	96
POMD	5 1 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid Molality, mol/kg - 5; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	96
POMD	3 2 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 2; Liquid Molality, mol/kg - 3; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	96
POMD	4 2 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 2; Liquid Molality, mol/kg - 4; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	96
POMD	5 2 6	Mass density, kg/m3 ; Liquid	Temperature, K; Liquid Molality, mol/kg - 2; Liquid Molality, mol/kg - 5; Liquid	Pressure, kPa; Liquid	Liquid	VIBTUB:UFactor:6	96

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

Volumetric Properties of Some a,w-Aminocarboxylic Acids in Aqueous Sodium Acetate and Magnesium Acetate Solutions at T = (288.15 to 318.15) K

Banipal, T. S.[Tarlok S.], Kahlon, G. K.[Gagandeep K.], Kaur, J.[Jasbir], Singh, K.[Kultar], Mehra, V.[Vishu], Chawla, R.[Raghav], Banipal, P. K.[Parampaul K.]

ABSTRACT