Zobrazeno 1 - 10
of 32
pro vyhledávání: '"V. M. Valyashko"'
Autor:
V. M. Valyashko, M. A. Urusova
Publikováno v:
Russian Journal of Physical Chemistry B. 14:1260-1267
The phase equilibria and critical phenomena in the Na2SO4–Na2B4O7–H2O system with the boundary subsystems Na2B4O7–H2O (type 1 with the phase separation of the solutions) and Na2SO4–H2O (type 2) at 350–460°C and a pressure of up to 100 MPa
Autor:
V. M. Valyashko, M. A. Urusova
Publikováno v:
Russian Journal of Inorganic Chemistry. 65:1085-1087
The solubilities of salts in the MgSO4–H2O and CdSO4–H2O systems are studied at 276–500°C using various methods (visual examination of phase transformations in water–salt mixtures in sealed quartz ampoules, collecting solution samples and pe
Autor:
V. M. Valyashko, M. A. Urusova
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:401-406
Phase equilibria in the binary system ZnSO4–H2O at temperatures of 240–450°C and pressures to 34 MPa were studied by various methods (visual observation of phase transformations in water–salt systems of various compositions (30–60 wt%) in th
Autor:
M. A. Urusova, V. M. Valyashko
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:983-986
Phase equilibria were studied in aqueous solutions of sodium and potassium phosphates at elevated temperatures (to 425°C) and pressures (to 63 MPa). Experimental data were obtained on the transformation of gas–liquid equilibria into heterogeneous
Autor:
V. M. Valyashko, M. A. Urusova
Publikováno v:
Russian Journal of Physical Chemistry B. 11:1322-1329
Supercritical phase equilibria in the ternary system K2SO4–KOH–H2O at 420–500°C and up to 130 MPa pressure with binary boundary subsystems of different types are studied. The binary subsystem of type 1 features no critical phenomena in saturat
Autor:
M. A. Urusova, V. M. Valyashko
Publikováno v:
Russian Journal of Inorganic Chemistry. 62:843-853
Phase equilibria were studied at temperatures 475–520°C and a pressure to 130 MPa in the ternary system Na2SO4–NaCl–H2O with boundary binary subsystems of two types. In type 1 subsystems (the NaCl–H2O subsystem in this work), there are no cr
Autor:
V. M. Valyashko, M. A. Urusova
Publikováno v:
Russian Journal of Physical Chemistry B. 9:1148-1152
The system LiOH—H2O is characterized by immiscibility phenomena both in equilibrium with vapor and solid saturated solutions or without the solid phase. The solubility of LiOH increases as a result of immiscibility phenomena at ~355°C and further
Autor:
M. A. Urusova, V. M. Valyashko
Publikováno v:
Russian Journal of Inorganic Chemistry. 60:1275-1285
Phase equilibria were studied in the Li2SO4–LiCl–H2O system with boundary subsystems of various types: type 1 subsystem LiCl–H2O and type 2 subsystem Li2SO4–H2O. The ternary critical curves (G=L–S) and (L1=L2–S) originating at the termina
Autor:
M. A. Urusova, V. M. Valyashko
Publikováno v:
Russian Journal of Inorganic Chemistry. 60:230-239
Phase equilibria were studied at 450 and 470°C in the Li2SO4-LiCl-H2O ternary system with boundary binary subsystems of various types: type 1 subsystem LiCl-H2O and type 2 subsystem Li2SO4-H2O with critical points \(p\left( {G = L - S_{Li_2 SO_4 } }
Autor:
V. M. Valyashko, M. A. Urusova
Publikováno v:
Russian Journal of Physical Chemistry B. 8:919-923
Experimental studies of binary and ternary water-salt systems containing NaF or Li2CO3 demonstrate that these salts belong to compounds of the 2nd type. The compounds are characterized by a negative temperature coefficient of salt solubility in water