Pulvis Cretae Compositus (U. S. P.)—Compound Chalk Powder.
Botanical name:
Preparation.—"Prepared chalk, thirty grammes (30 Gm.) [1 oz. av., 25 grs.]; acacia, in fine powder, twenty grammes (20 Gm.) [309 grs.]; sugar, in fine powder, fifty grammes (50 Gm.) [1 oz. av., 334 grs.]; to make one hundred grammes (100 Gm.) [3 ozs. av., 231 grs]. Mix them intimately"—(U. S. P.).
Uses.—This powder is designed as a ready ingredient for the preparation of chalk mixture. Precipitated chalk should not be used. Dose, 10 to 40 grains.
