ABSTRACT

The speed of sound, electrical conductivity, viscosity, surface tension, and Raman spectra of aqueous zinc nitrate solutions were measured from dilute to very high concentrations as a function of temperature (273.15 T/K 323.15). Isentropic compressibility isotherms converge at 2.18 mol?kg-1 and provide crucial structural information regarding ion hydration. At the converging concentration, 26.3 water molecules are rigidly bound in the primary hydration shell of Zn2+ and NO3- ions. The hydrated Zn2+ and NO3- ions up to 2.2 mol?kg-1 and beyond 2.2 mol?kg-1, solvent-separated and/or solvent-shared ion pairs govern the transport properties.

Compounds

#	Formula	Name
1	N2O6Zn	nitric acid, zinc salt
2	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	2 1	Surface tension liquid-gas, N/m ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid		Liquid Air at 1 atmosphere	Ring tensiometer	74
POMD	2 1	Viscosity, Pa*s ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid	Pressure, kPa; Liquid	Liquid	Capillary tube (Ostwald; Ubbelohde) method	211
POMD	2 1	Speed of sound, m/s ; Liquid	Temperature, K; Liquid Molality, mol/kg - 1; Liquid	Pressure, kPa; Liquid	Liquid	LVPAI:UFactor:2	238
POMD	2 1	Mass density, kg/m3 ; Liquid	Molality, mol/kg - 1; Liquid Temperature, K; Liquid	Pressure, kPa; Liquid	Liquid	PYCNOM:UFactor:2	236

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

Isentropic Compressibility, Electrical Conductivity, Shear Relaxation Time, Surface Tension, and Raman Spectra of Aqueous Zinc Nitrate Solutions

Wahab, A.[Abdul], Mahiuddin, S.[Sekh]

ABSTRACT