Chrome Oxide

Chrome Oxide

• 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.