Question

write down the preparation of dicalcium phosphate​

Answer 1

Answer:

The product of this invention is prepared by adding substantially dry calcium oxide or calcium hydroxide to aqueous phosphoric acid having a concentration of from about 40 to 80 percent H PO by weight; the reaction temperature being maintained sufficiently high to ensure production of dicalcium phosphate substantially

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Answer 2

It is produced by neutralization of phosphoric acid and calcium hydroxide at 60°C. Dicalcium phosphate is the calcium phosphate with the formula $CaHPO^4$.  It is usually used as dietary supplements, tableting agent, tartar control agent in toothpaste.

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