Zobrazeno 1 - 10
of 61
pro vyhledávání: '"V. Ya. Kuznetsov"'
Publikováno v:
Inorganic Materials. 58:706-714
Publikováno v:
Vestnik MGTU, Vol 24, Iss 3, Pp 267-276 (2021)
Due to its biocompatibility with human and animal tissues, low toxicity, and biodegradability, chondroitin sulfate (CS) is of great interest for medicine. Since CS is used as a pharmaceutical preparation, its molecular weight and solubility determine
Publikováno v:
Inorganic Materials. 56:1258-1264
An yttrium ammonium carbonate with the composition NH4Y(CO3)2 ∙ H2O has been prepared by reacting hydrated yttrium oxide with ammonium carbonate at 80°C. The synthesis process has been shown to proceed through crystallization of two intermediate p
Publikováno v:
Inorganic Materials. 56:1113-1121
We have studied the effect of precursors on the synthesis conditions and characteristics of molybdenum nitrides. Mo, MoO3, and MgMoO4 powders were nitrided in flowing ammonia at temperatures in the range 500–800°C. The use of molybdenum nanopowder
Publikováno v:
Inorganic Materials. 55:1118-1124
We have studied the feasibility of preparing tantalum and niobium nitrides by reducing Та2O5, Nb2O5, Mg4Та2O9, and Mg4Nb2O9 with magnesium vapor. The process was run in two steps: (1) reduction of the oxides at a temperature of 820°C and a resid
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:1172-1177
The solubility was studied for compounds in the system Zr(SO4)2–K2SO4–H2SO4–H2O in the section at 10 wt % H2SO4 under isothermal conditions at 25°C in the cuts at a constant solvent content of 60 wt % (H2O + H2SO4). Equilibrium in the system w
Publikováno v:
Russian Journal of Inorganic Chemistry. 64:262-269
The phases NdF3 (I), x (II), NdTi2O4.75F0.5(SO4)0.5 · 3H2O (III), NdTiF3(SO4)2 · 6H2O (NdTiOF(SO4)2 · 6H2O) (IV), Nd2(SO4)3 · 8H2O (V), and Nd2(SO4)3 · 4H2O (VI) formed in sulfuric acid and fluorine-containing solutions during the synthesis of m
Publikováno v:
Russian Journal of Inorganic Chemistry. 62:827-835
Thermal decomposition of fluorooxalatozirconates (FOxZs) K3ZrF5C2O4, K2ZrF4C2O4 ⋅ 2H2O, KZrF3C2O4 ⋅ 3H2O, and Zr4O3F2(C2O4)4 ⋅ 2H2O in air flow is studied. Crystalline K2ZrF4C2O4 and KZrF3C2O4 are detected. The decomposition onset temperature o
Publikováno v:
Russian Journal of Inorganic Chemistry. 62:33-38
Tantalum nitrides are synthesized by ammonolysis of a mesoporous magnesiothermic tantalum powders. The effect of specific surface area of the powders and synthesis temperature on product composition is shown. Nitrogen content in the ammonolysis produ
Publikováno v:
Russian Journal of Applied Chemistry. 90:7-14
Effect of the solution redox potential on the behavior of cobalt-containing phase components of sulfide copper-nickel concentrates in the Cu(II)/Fe(III)–Cl––HCl–Cl2 system was studied. It was shown that, at solution redox potentials in the ra