kaliumkromaatti
Kaliumkromaatti, or potassium chromate, is an inorganic salt with the formula K2CrO4. It consists of two potassium ions and the chromate anion (CrO4)2-, in which chromium is in the +6 oxidation state. The compound appears as yellow crystals or powder and is readily soluble in water. In solution it forms chromate ions that impart a characteristic yellow color.
Chemically, potassium chromate is a hexavalent chromium compound and acts as an oxidizing agent under certain
Uses of kaliumkromaatti are mainly historical and analytical. It has been used as a yellow pigment in
Safety and environmental considerations are central to its handling. Potassium chromate is toxic and a confirmed