A5048859540- Crystallization and Solubility Studies
- Chemical and Physical Properties in Aqueous Solutions
- Chemical Thermodynamics and Molecular Structure
- Phase Equilibria and Thermodynamics
- Thermodynamic properties of mixtures
- Analytical Chemistry and Chromatography
- Freezing and Crystallization Processes
- Chemical Looping and Thermochemical Processes
- Hydrogen Storage and Materials
- Ionic liquids properties and applications
- Inorganic and Organometallic Chemistry
- Phosphorus and nutrient management
Saratov State University
2010-2017
Concentrated water−alkaline solutions of sodium and potassium borohydrides are used as a fuel hydrogen source in power engineering, including low-temperature cells, where converted into metaborates. The performance such mixtures is determined by the solubility their components, negative temperatures being especially critical. ternary systems NaBH4 + NaOH H2O, KBH4 KOH NaBO2 KBO2 H2O was studied means isothermal saturation at −10 °C. compositions equilibrium solid phases corresponding to...
Phase equilibria and critical phenomena in the ternary system potas sium formate - water n.butoxyethanol, where a constituent binary liquid is characterized by phase separation with closed delamination region, were studied means of visual-polythermal method within 25-170°C. The temperature dependences com positions mixtures corresponding to solubility points region determined. distribution coeffi cients n.butoxyethanol between aqueous organic phases monotectic equilibrium calculated for...
A technique of laboratory synthesis potassium formate has been developed. Phase equlibria in mixtures the components binary system - water range from -70 to +170°C were investigated by visual-polythermal method. For first time phase diagram specified con structed and coordinates an eutectic point estab lished. The formation a crystalline hydrate КНСООИ.бНгО incon gruous melting at -9.2°C was found this system. composition estimated dry residue.
The work is devoted to the comparative characteristics of salting-in –salting-out effect potassium formate, nitrate and perchlorate on binary liquid water + n-butoxyethanol system with a closed delamination region in temperature range 10–150°C. introduction formate or into mixtures critical composition leads decrease LCST (lower solution temperature) an increase UCST (upper this system, while addition UCST. For three ternary systems salt n-butoxyethanol, distribution coefficients between...
Visual polythermal method in the bynary system of water-2-(2-butoxyethoxy) ethanol range –25÷0° C ice melting line is determined and phase equilibria ternary potassium nitrate–water–2-(2-butoxyethoxy) are studied 10.0–90.0° C. The water–2-(2-butoxyethoxy) binary a flat, smooth line. This form shows hidden separation liquid mixtures. It has been found that nitrate salts out 2-(2-butoxyethoxy)ethanol from water-organic mixtures, at 31.7° nitrate–water–2-(2-butoxyethoxy)ethanol, begins....