A glass of RI about 1.9 contained essentially (mol%): 32-38 TiO2, 3.5-6 ZrO2, 40-43 BaO, 13-15 B2O3, 6 ZnO. Specifically, two compositions are cited, in the same order of oxides: 32.2, 5.5, 43.2, 14.5, 5.5 and 37.3, 3.5, 40.2, 13.8, 5.2.
Origin
Unknown
Journal Title
Usp 3 198 641, 3/8/65
Sector
Refractive Indexes
Class
RI 4