- Chrome oxide is the stable oxide of the chromium,it is a dark green crystalline powder insoluble in alkalis and acids.
- It is prepared from the mineral Chromite mined in southern Africa, Asia, Turkey and Cuba.
- As with other coloring agents, chrome must be milled fine enough to eliminate specking in glass or glaze.
- Chrome oxide is bassically employed in raw glazes whereas potassium dichromate is used in fritted glazes.
- From Cr2O3 becomes 2CrO3, oxygen is captured from the surroundings, the percentage is greater than 100.