Zobrazeno 1 - 6
of 6
pro vyhledávání: '"M. P. Syomov"'
Publikováno v:
Glass Physics and Chemistry. 42:214-217
The spectrophotometric differential kinetic method of determination of silicon and germanium based on a difference in the kinetic parameters in the presence of each other the same analytical form in GeO2–SiO2 systems is described. The possibility o
Publikováno v:
Glass Physics and Chemistry. 38:413-418
The influence of some monoatomic alcohols (ethanol, isopropanol, and butanol) on the kinetics of hydrolysis and condensation of water-alcohol solutions of tetraethoxysilane at the early stages of the process has been investigated using a technique de
Publikováno v:
Glass Physics and Chemistry. 37:126-134
The influence of additions of boric acid on the aging of as-prepared gels from water-alcohol solutions of tetraethoxysilane has been investigated by the kinetic spectrophotometric method using the reaction between silica and ammonium molybdate with t
Determination of silicon and germanium in systems based on SiO2-GeO2 using kinetic spectrophotometry
Publikováno v:
Glass Physics and Chemistry. 40:221-223
The kinetics of parallel-consecutive reactions taking place during the formation of germanomolybdic and silicomolybdic heteropolyanions is studied. A kinetic model of the process is proposed, which makes it possible to calculate the kinetic parameter
Publikováno v:
Glass Physics and Chemistry. 35:163-169
A kinetic scheme is proposed for the processes of hydrolysis of alkoxysilanes and polycondensation of the hydrolysis products represented as monomers, dimers, trimers, oligomers, and polymers. A kinetic model that makes it possible to evaluate the we
Publikováno v:
Glass Physics and Chemistry. 33:199-208
The aggregate stability of aqueous sols prepared from the OX-50 Aerosil is investigated at pH 35-10 in the KCl and BaCl2 concentration range 10−4−10−1 M. It is demonstrated that the results obtained can be explained in the framework of the clas