Pulvis Cretae Compositus (U. S. P.)—Compound Chalk Powder.
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.
King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.