ABSTRACT

The solubilities of citric, malic and malonic acids in ethanol, 1,4-dioxane, water, acetonitrile, 2-propanol, and tetrahydrofuran (THF) were measured over the temperature range of 303.2 to 333.2 K. The concentrations of acids in different solvents were analyzed by gravimetric method. The measured solubility data were also compared with the available literature data. The experimental solubility data were correlated with the modified Apelblat equation. The calculated solubilities show good agreement with the experimental solubility data.

Compounds

#	Formula	Name
1	C2H6O	ethanol
2	C6H8O7	citric acid
3	C4H8O2	1,4-dioxane
4	H2O	water
5	C2H3N	acetonitrile
6	C3H8O	propan-2-ol
7	C4H8O	tetrahydrofuran
8	C3H4O4	propanedioic acid
9	C4H6O5	hydroxybutanedioic acid

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	Mole fraction - 2 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	Mass of residue in vacuum oven	7
POMD	2 3	Mole fraction - 2 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	Mass of residue in vacuum oven	7
POMD	2 4	Mole fraction - 2 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	Mass of residue in vacuum oven	7
POMD	5 2	Mole fraction - 2 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	Mass of residue in vacuum oven	7
POMD	6 2	Mole fraction - 2 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	Mass of residue in vacuum oven	7
POMD	2 7	Mole fraction - 2 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 2	Mass of residue in vacuum oven	7
POMD	1 8	Mole fraction - 8 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 8	Mass of residue in vacuum oven	7
POMD	3 8	Mole fraction - 8 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 8	Mass of residue in vacuum oven	7
POMD	8 4	Mole fraction - 8 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 8	Mass of residue in vacuum oven	7
POMD	5 8	Mole fraction - 8 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 8	Mass of residue in vacuum oven	7
POMD	6 8	Mole fraction - 8 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 8	Mass of residue in vacuum oven	7
POMD	7 8	Mole fraction - 8 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 8	Mass of residue in vacuum oven	7
POMD	1 9	Mole fraction - 9 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 9	Mass of residue in vacuum oven	7
POMD	3 9	Mole fraction - 9 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 9	Mass of residue in vacuum oven	7
POMD	9 4	Mole fraction - 9 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 9	Mass of residue in vacuum oven	7
POMD	5 9	Mole fraction - 9 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 9	Mass of residue in vacuum oven	7
POMD	6 9	Mole fraction - 9 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 9	Mass of residue in vacuum oven	7
POMD	7 9	Mole fraction - 9 ; Liquid	Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid Crystal - 9	Mass of residue in vacuum oven	7

Thermodynamics Research Center / ThermoML | Fluid Phase Equilibria

Solubility of citric, malonic, and malic acids in different solvents from 303.2 to 333.2 K

Daneshfar, A.[Ali], Baghlani, M.[Masoomeh], Sarabi, R. S.[Reza Sadeghi], Sahraei, R.[Reza], Abassi, S.[Shahriyar], Kaviyan, H.[Haydar], Khezeli, T.[Tehereh]

ABSTRACT