ABSTRACT

The vapor pressure measurement unit from borosilicate glass was assembled for determination of partial pressures of water in aggressive acidic media using the transpiration method. Three ternary systems H2O HNO3 RE(NO3)3 (RE = Pr, Nd, Sm) were investigated. The experimental results in ternary systems were compared with the estimation by the Pitzer model and Zdanovsky rule from the data of binary subsystems. In addition to vapor pressure measurements densities of investigated solutions were determined.

Compounds

#	Formula	Name
1	HNO3	nitric acid
2	N3O9Pr	praseodymium nitrate
3	N3NdO9	neodymium(III) nitrate
4	N3O9Sm	samarium(III) nitrate
5	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	5	Vapor or sublimation pressure, kPa ; Liquid	Temperature, K; Liquid		Liquid Gas	Transpiration method	4
POMD	1 5	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 5; Liquid	Temperature, K; Liquid	Liquid Gas	Transpiration method	17
POMD	1 5 2	Mass density, kg/m3 ; Liquid	Mole fraction - 2; Liquid Mole fraction - 1; Liquid	Temperature, K; Liquid	Liquid Gas	Vibrating tube method	9
POMD	1 5 2	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 2; Liquid Mole fraction - 1; Liquid	Temperature, K; Liquid	Liquid Gas	Transpiration method	9
POMD	1 5 3	Mass density, kg/m3 ; Liquid	Mole fraction - 3; Liquid Mole fraction - 1; Liquid	Temperature, K; Liquid	Liquid Gas	Vibrating tube method	9
POMD	1 5 3	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 3; Liquid Mole fraction - 1; Liquid	Temperature, K; Liquid	Liquid Gas	Transpiration method	9
POMD	1 5 4	Mass density, kg/m3 ; Liquid	Mole fraction - 4; Liquid Mole fraction - 1; Liquid	Temperature, K; Liquid	Liquid Gas	Vibrating tube method	9
POMD	1 5 4	Vapor or sublimation pressure, kPa ; Liquid	Mole fraction - 4; Liquid Mole fraction - 1; Liquid	Temperature, K; Liquid	Liquid Gas	Transpiration method	9

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

Thermodynamic Properties of Ternary Solutions in the Water Nitric Acid Rare Earth Nitrate (Pr, Nd, Sm) Systems at 298.15 K

Moiseev, A. E.[Alexander E.], Dzuban, A. V.[Alexander V.], Gordeeva, A. S.[Alisa S.], Arkhipin, A. S.[Anatoly S.], Kovalenko, N. A.[Nikita A]

ABSTRACT