Preparation of Ammonium Chromate

Ammonium Chromate

Preparation of Ammonium Chromate A saturated solution of ammonium chromate is treated with an excess of concentrated ammonium hydroxide solution until the strong smell of ammonia appears and the color of the solution changes from orange to yellow. Then the reaction mixture is cooled in ice water, the obtained yellow crystals of ammonium chromate are filtered, … Read more