Powder, Pec′toral. See Powder of Liquorice, &c.
Powder of Phosphate of Lime, Saccharated. Syn. Pulvis calcis phosphatis, saccharatus. Prep. Precipitated phosphate of lime, 15 gr., white sugar, 85 gr.; triturate and divide into 20 packets. Two or more powders daily, according to age of child. In rickets.
Powder, Piles. Syn. Pulvis antihæmorrhoidalis, P. Hæmorrhoidalis, L. Prep. 1. (Fr. Hosp.) Precipitated sulphur, 3 oz.; cream of tartar and black pepper, of each 1 oz.; oil of cubebs, 1⁄2 dr.—Dose. A teaspoonful, in milk or honey, thrice a day.
2. (External.)—a. From Aleppo galls, in very fine powder, 2 oz.; opium, in fine powder, 1 dr. A pinch to be applied occasionally.
b. From sesquioxide of iron, 1 oz.; powdered acetate of lead, 1⁄2 dr. As the last.
Powder of Pitch, Compound. Syn. Pulvis Picis Compositus; Disinfecting Powder Of Corne and Demaux. 100 parts of plaster of Paris are triturated thoroughly with 1 to 5 parts of coal tar. Used as an absorbent and disinfectant to fetid ulcers and wounds.
Powder, Plate. Syn. Pulvis pro argento, L. Prep. 1. Jeweller’s rouge, 1⁄4 lb.; prepared chalk or levigated burnt hartshorn, 3⁄4 lb.; mix.
2. Levigated putty powder, 1⁄4 lb.; burnt hartshorn, 1⁄2 lb.; prepared chalk, 1 lb.; rose pink, 1 oz.
3. (Mercurial.) From quicksilver with chalk, 1 oz.; prepared chalk, 11 oz.; mix. Used to clean and polish plate. See Plate.
Powder, Plate Boiling. Prep. From cream of tartar, common salt, and alum, equal parts. A little of this powder, added to the water in which plate is boiled, gives to it a silvery whiteness.