Figure 12

Relative proportions (%) of (a) Ti–O–Ti, Fe–O–Ti, and Fe–O–Fe bonds in the FeO-TiO2 binary system with various concentrations of FeO and (b) Ti–O–Ti, Na–O–Ti, and Na–O–Na bonds in the 2FeO–3TiO2–Na2O system with various concentrations of Na2O at 1823 K.
Ti–O–Ti;
(Fe/Na)–O–Ti;
(Fe/Na)–O–(Fe/Na).