Synonym. - Kali Chromicum.

Present name. - Normal Potassic Chromate. K2CrO4.

This is the neutral or yellow Chromate of Potash, and has been recommended by Dr. Drysdale to be used occasionally in place of the Bichromate. It can be obtained from the operative chemists.

Characters and Tests. - Lemon-yellow crystals, very soluble in water. The solution becomes orange-red on the addition of Hydrochloric Acid, and green with an excess of Sulphuretted Hydrogen.

Preparation. - Trituration.