S.A. Bessedina, V.G. Konakov and M.M. Schultz
Institute of Silicate Chemistry, Russian Academy of Sciences,
ul. Odoevskogo,24-2, St. Petersburg, 199155, Russia
Abstract
|
This paper presents the most modern theories of acid-base interaction
in oxide melts. Also a historic review of the development of approaches to
describe the acid-base properties of melts is given. Generalized conception is
suggested which describes these properties adequately within a wide
concentration interval. Some quantitative procedures for estimation of
acid-base properties of the oxygen-containing melts are considered.
Akali-germanate melts are chosen as a model system. Experimental results on
the basicity of the M2O-GeO2 system are discussed and compared. The basicity of
these melts is also compared with that of other alkali containing melts such as
M2O-SiO2 and M2O-B2O3.
|
full paper (pdf, 784 Kb)