Zobrazeno 1 - 10
of 12
pro vyhledávání: '"A. B. Godunov"'
Publikováno v:
Defect and Diffusion Forum. 410:142-148
The paper considers methods for calculating the rate of metals corrosion. A comparative analysis of the experimental data on the steel 10 corrosion rate in carbonate solutions with different pH values (6-12.5) and the concentration of carbonate ions
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:314-318
The effect of ethanedioic acid additives on the rate of manganese(IV) oxide dissolution in sulfuric acid solutions was studied by kinetic and electrochemical methods. Interaction modes were established, and some details of the studied process mechani
Publikováno v:
Inorganic Materials. 54:66-71
The dissolution of manganese oxides in sulfuric acid solutions of various concentrations has been studied by kinetic methods. We have investigated the dissolution of manganese oxides of various compositions in sulfuric acid solutions of various conce
Publikováno v:
Inorganic Materials. 53:831-837
Reactions of manganese oxides of various compositions with sulfuric acid solutions have been studied by kinetic and electrochemical methods. The surface composition of the manganese oxides has been shown to vary during the dissolution process. We pre
Methods for calculating the kinetic parameters of carbonate decomposition from thermal analysis data
Autor:
Yu. A. Lainer, E. B. Godunov, I. V. Artamonova, M. V. Terekhova, S. M. Kramer, I. G. Gorichev
Publikováno v:
Russian Metallurgy (Metally). 2016:592-595
A procedure is proposed for an analysis of the data on the decomposition of inorganic carbonates (MgCO3, CaCO3, SrCO3, MnCO3, CoCO3) on the basis of results of thermogravimetric studies. The activation energy and the rate constant for carbonate decom
Publikováno v:
Chemical and Petroleum Engineering. 53:531-533
Comprehensive utilization of spent sulfuric acid from petrochemical industries and Mg–Zn chemical current sources is discussed. A method for their complex processing that can produce Mg and Zn oxides as products is proposed.
Publikováno v:
Chemical and Petroleum Engineering. 50:605-609
It is established that carbonate dissolution kinetics have diffusion and kinetic control, i.e., chemical reaction rate determines the transfer of calcium and carbonate ions into solution and diffusion processes determine the removal of ions into the
Publikováno v:
Izvestiya MGTU MAMI. 7:5-8
Calculation of alkali metals salts solubility is made using two approaches: thermodynamic (or power) and on values of charge and ionic radius sizes. The estimation of salts and oxyhydroxides solubility for elements of 1А subgroups of periodic table
Publikováno v:
Engineering. :714-719
The kinetics of the interaction of MnO2, Mn2O3, and Mn3O4, with sulphuric acid solutions and the effect of oxalic acid on this process are studied. As the sulphuric acid concentration is increased from 0.1 to 5 N, the dissolution rate of Mn2O3, Mn3O4
Publikováno v:
Russian Metallurgy (Metally). 2012:935-941
The kinetics and electrochemical processes of the dissolution of manganese oxides with various oxidation states in sulfuric acid solutions containing oxalate ion additives is studied under variable conditions (concentration, pH, temperature). The par