Solid–aqueous equilibrium in the BaSO4–RaSO4–H2O system: first-principles calculations and a thermodynamic assessment
Phase relations in the BaSO 4–RaSO 4–H 2 O system are important for understanding the
role of barite-type minerals in controlling the concentration of Ra 2+ in natural water …
role of barite-type minerals in controlling the concentration of Ra 2+ in natural water …
Replacement of barite by a (Ba, Ra) SO4 solid solution at close-to-equilibrium conditions: A combined experimental and theoretical study
Solid solution formation between RaSO 4 and BaSO 4 has long been recognized as a
process which potentially controls the Ra concentration in the environment. Here, we have …
process which potentially controls the Ra concentration in the environment. Here, we have …
Thermodynamics of the solid solution-Aqueous solution system (Ba, Sr, Ra) SO4+ H2O: II. Radium retention in barite-type minerals at elevated temperatures
The effect of temperature on the solid solution–aqueous solution (SS-AS) equilibria in the
(Ba, Sr, Ra) SO 4+ H 2 O system is primarily determined by a change in the aqueous …
(Ba, Sr, Ra) SO 4+ H 2 O system is primarily determined by a change in the aqueous …
Computing Lippmann diagrams from direct calculation of mixing properties of solid solutions: Application to the barite-celestite system
The Lippmann diagram for the system (Ba, Sr) SO 4-H 2 O was computed at 25° Cby
determining the solid-phase activity coefficientsfrom first principles calculations …
determining the solid-phase activity coefficientsfrom first principles calculations …
Thermochemistry of strontium incorporation in aragonite from atomistic simulations
SE Ruiz-Hernandez, R Grau-Crespo… - … et Cosmochimica Acta, 2010 - Elsevier
We have investigated the thermodynamics of mixing between aragonite (orthorhombic
CaCO3) and strontianite (SrCO3). In agreement with experiment, our simulations predict that …
CaCO3) and strontianite (SrCO3). In agreement with experiment, our simulations predict that …
Nucleation and growth kinetics of RaxBa1− xSO4 solid solution in NaCl aqueous solutions
YO Rosenberg, Y Sadeh, V Metz, CM Pina… - … et Cosmochimica Acta, 2014 - Elsevier
Co-precipitation of Ra and Ba in barite (ie, the formation of a Ra x Ba 1− x SO 4 solid
solution) has long been established as an important process that has the potential to control …
solution) has long been established as an important process that has the potential to control …
Thermodynamics of the solid solution-Aqueous solution system (Ba, Sr, Ra) SO4+ H2O: I. The effect of strontium content on radium uptake by barite
Thermodynamic properties of mixing in the ternary (Ba, Sr, Ra) SO 4 solid solution are
determined using first principles based total energy calculations and Monte Carlo …
determined using first principles based total energy calculations and Monte Carlo …
Barite recrystallization in the presence of 226Ra and 133Ba
F Heberling, V Metz, M Böttle, E Curti… - … et Cosmochimica Acta, 2018 - Elsevier
Despite the long history of studies on (Ba, Ra) SO 4, various recent investigations aimed at
improving our understanding of its formation processes and thermodynamics. Accumulation …
improving our understanding of its formation processes and thermodynamics. Accumulation …
The solubility of (Ba, Sr) SO4 precipitates: Thermodynamic equilibrium and reaction path analysis
AR Felmy, D Rai, DA Moore - Geochimica et Cosmochimica Acta, 1993 - Elsevier
Abstract The solubility of (Ba, Sr) SO 4 precipitates, varying in SrSO 4 mole fraction from 0.05–
0.90, was investigated at room temperature with an equilibration period extending to almost …
0.90, was investigated at room temperature with an equilibration period extending to almost …
The solid solution–aqueous solution system (Sr, Ba, Ra) SO4+ H2O: A combined experimental and theoretical study of phase equilibria at Sr-rich compositions
Solid solution formation between RaSO 4 and other isostructural sulfates has been known
for a long time as a process potentially controlling Ra concentrations in aquifers. Here, we …
for a long time as a process potentially controlling Ra concentrations in aquifers. Here, we …