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96/03604 Influence of heat treatment of a blast-furnace coke on its properties


Publisher
Elsevier Science
Year
1996
Weight
190 KB
Volume
37
Category
Article
ISSN
0140-6701

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Cr(III) in gahnite-containing transparen
✍ A. Kisilev; R. Reisfeld; A. Buch; M. Ish-Shalom πŸ“‚ Article πŸ“… 1986 πŸ› Elsevier Science 🌐 English βš– 522 KB

Transparent glass ceramics with Cr(III) were obtained by different thermal treatment of glass with composition (mol%) 73.6 SiO2, 11.8 A120,, 4.2 Li20, 7.0 ZnO, 1.6 TiO2, 1.5 ZrO2, 0.3 AszOs, 0.024 Cr203, melted under various conditions. Parallel measurements of X-ray diffraction, optical and EPR spe