American Journal of Pharmacy, Volumen61

acetic acid added adulterated alcohol alkaline alkaloid ammonia ammonium aqueous solution bark boiling bromine brown calcium carbonate cent Chem chemical chloride chloroform colorless compound containing crystals decomposed dilute dissolved distilled doses dried drug ether evaporated examined extract ferric ferric chloride filter filtrate formula gives glycerin grain grams H₂O heat hydrate hydrochloric acid hypophosphite hypophosphorous acid insoluble iodide iodine Jour liquid Maisch Medical melting mercuric chloride mercury method mixture neutral nitrate nitric acid obtained odor officinal oleate oleic acid oxalic oxalic acid oxide paper Pennsylvania pepsin percolator petroleum ether Phar Pharm Pharmaceutical Association pharmacists Pharmacopoeia Pharmacy Philada Philadelphia plant portion potassium powder precipitate prepared present Prof pure reaction residue resin root salicylic salt samples small quantity sodium soluble specific gravity starch substance sugar sulphate sulphuric acid syrup tannin tartaric temperature tincture tion washed yellow yield