Zobrazeno 1 - 10
of 28
pro vyhledávání: '"B. G. Golovkin"'
Publikováno v:
Doklady Chemistry. 462:141-144
Publikováno v:
Zeitschrift für anorganische und allgemeine Chemie. 639:2657-2663
Phase equilibrium in the Ca-Mn-Sb-O system was studied in air at the temperature range from 1160 to 1250 °C and a pseudo-quaternary phase diagram for the system CaO-MnO-Mn2O3-Sb2O5 is presented. The following compounds were discovered: new antimonat
Publikováno v:
Journal of Alloys and Compounds. 509:6158-6162
The complex oxide Sr 4 LiMn 2 O 9 belonging to the A 3 n +3 m A′ n Mn 3 m + n O 9 m +6 n family ( m = 3, n = 1) was prepared from a mixture of SrCO 3 and LiMn 2 O 4 in a microwave furnace by the solid state reaction. The results of structural refin
Autor:
B. G. Golovkin
Publikováno v:
Journal of Applied Spectroscopy. 75:444-447
We propose a method for using Raman spectroscopy to determine the phase compositions and concentrations in solid-phase equilibrium mixtures.
Autor:
G. V. Bazuev, B. G. Golovkin
Publikováno v:
Russian Journal of General Chemistry. 77:1662-1668
Phase equilibria in the CaO-CuO-Cu2O-MnO-MnO2 system at 900–1400°C in air were examined on the basis of published and newly obtained data. No new compounds were revealed. The results are presented in the form of 12 isothermal sections of the phase
Autor:
B. G. Golovkin
Publikováno v:
Journal of Analytical Chemistry. 62:825-831
A procedure for the powder optical-immersion analysis of crystals by plane-polarized transmitted-light microscopy and techniques for the identification of chemical compounds for crystals of any system are reported. The method allows the qualitative a
Autor:
B. G. Golovkin
Publikováno v:
Russian Journal of General Chemistry. 75:1857-1863
Gravimetry in combination with X-ray phase analysis, X-ray crystallography, and X-ray densitometry were used to determine the contents of V5+, V4+, and Ti4+ ions and vacancies in solid solutions formed by the reaction of V2O5 with TiO2 in air at atmo
Publikováno v:
ChemInform. 45
Phase equilibrium in the Ca-Mn-Sb-O system was studied in air at the temperature range from 1160 to 1250 °C and a pseudo-quaternary phase diagram for the system CaO-MnO-Mn2O3-Sb2O5 is presented. The following compounds were discovered: new antimonat
Publikováno v:
Journal of Solid State Chemistry. 124:333-337
Conditions for formation of a synthetic analog of the natural mineral melanostibite with the composition Mn 2 FeSbO 6 which crystallizes in the structural type of ilmenite and of some other compounds belonging to the series Mn 2 B SbO 6 , B = Cr, V,
Publikováno v:
Inorganic Materials. 40:1221-1223
The phase relations in the Li–V2O5–Cu system at 600°C are studied by x-ray diffraction. The existence of the known vanadium bronzes M x V2O5 (M = Li, Cu) is confirmed, and the composition ranges of the related solid solutions are determined. β-