Phosphoric Acid → Tricalcium Phosphate

Participants

Reaction Steps

1,000 ml. of distilled water were placed in a 2 liter Erlenmeyer flask. 243 gms. of calcium oxide were added with stirring. A great amount of heat accompanied the formation of calcium hydroxide. 500 gms of 85% H3PO4 were added slowly. Heat was also evolved. The suspension was stirred for 1/2 hour and then allowed to settle. The white tricalcium phosphate formed was filtered and placed in an oven at 100° C. overnight to dry.

Provenance & Evidence