J-vij

(0.06-0.45), very dilute. A., Nitro hydrochloric, Dilute, consists of 4 parts nitric and 18 hydrochloric acid, and 78 parts water. Dose tt\v-xx (0.3-1.3), well diluted. A. Oleic, acid present in many fats and C18H3402, oils. It isana colorle oil, crystallizing on cooling, soluble in alcohol, benzol, and the e ential oils; insoluble in water. It saponi- It is fies when heated with alkaline bases. used in making the oleates. A., Organic, an acid characterized by the presence of the carboxyl group, CO. OH. A., Orthophosphoric, H3P04, ordinary phosphoric acid, as distinguished from metaphosphoric and pyrophosphoric acids. A., Osmic, Os04, the oxid of osmium, one of the rarer elements; it occurs as yellow, acrid, burning crystals, yielding an intensely irritating vapor; it has been recommended for hypo dermatic use in sciatica, strumous glands, and cancer. It is used in histology as a fixing agent and as a stain for fat. A., Oxalic, C2H204, a colorle crystalline solid obtained by treating sawdust with caustic soda and potash. It occurs in many plants chiefly as pota ium oxalate; with two parts of water it crystallizes in fine transparent monoclinic prisms. It is soluble in nine parts of water at moderate temperature and quite easily in alcohol. It has been recommended in amenorrhea. Dose gr. yi-% (0.032-0.048). In large doses it is a violent poison. A., Palmitic, C16H3202, an acid existing as a glycerin ether in palm-oil and in most of the solid fats. A., Phosphoric, H3P04, O?’tho phosphoric Acid, contains 50 per cent, each of acid and water; it is obtained from bones or by oxidation of phosphorus. A., Phosphoric, Dilute, contains 10 per cent, of absolute acid. It is emdisturbances, in struployed in digestive to di olve phosphatic mous diseases, and deposits. Dose n\v-xxx (0.32-2.0). A., Phosphorous, H3P03, a tribasic oxyacid of phosphorus, containing one atom of oxygen le than phosphoric acid. A., Picric, C6H2(N02)3OH, Carb azotic Acid, Trinitrophenol, obtained by the nitration of phenol. It crystallizes from hot water and alcohol in yellow leaflets or prisms which po e a very bitter taste. It is readily soluble in hot water, its solution imparting a beautiful yellow color to silk and wool. It ACID is recommended as an antiperiodic and anthelmintic. Iis t used as a test for albumin and sugar. Dose gr. v-xv (0.32-1.0) per diem. A., Pru ic. See A., Hydrocyanic. A., Pyrogallic, CgH603, pyrogallol, formed by heating gallic acid with water to 2100. It forms white leaflets or needles, is readily soluble in water, le so in alcohol and ether. It is useful in the treatment of certain skin diseases, but is poisonous, and must be used with caution. A., Pyroligneous, the crude acid obtained in the destructive distillation of wood. It is a clear liquid of reddish brown color and strong acid taste, with a peculiar penetrating odor described as empyreumatic, due largely to the furfurol it contains. It contains from four to seven per cent, of real acetic acid. A., Pyrophosphoric, the dihydric phosphate, 2H.,- 0-P205, one °f tne forms of phosphorfc acid. It is poisonous. Its iron salt is used in medicine. The pure acid is a soft, gla y ma . A., Salicylic, C7H603, Ortho oxy benzoic Acid, occurs in the buds of Sph’cea Ulmaria, in the oil of wintergreen, and other varieties of gaultheria. It consists of four-sided prisms and crystallizes readily from hot water in long needles. It is soluble in water and in chloroform, and is antiseptic; it is used in the treatment of acute articular rheumatism and myalgia. Dose grs. v-xx (o^-M), not exceeding £j (4.0), daily. A., Sarcolactic, C3H603, occurs in blood and in muscles, to which it gives their acid reaction, especially after the muscles have been in a state of activity. It is also found in urine in phosphorus poisoning. A., Sclerotinic, an acid found in ergot, of which it is one of the active principles. A., Stearic, C16H3602, a ociated with palmitic and oleic acids as a mixed ether, in solid animal fats, the tallows. A., Succinic, C4H604, an acid obtained in the distillation of amber, and also prepared artificially. A., Sulphanilic, C6H4(XH2).S03H, obtained by heating anilin ( I part) with fuming H2S04 (2 parts) to 1800 until S02 appears. It crystallizes in rhombic plates which effloresce in the air. It is used as a reagent. A., Sulphocarbolic, C6H5HS04, phenyl bisulphate, formed by the union of carbolic and sulphuric acids. Its salts, the sulphocarbolates, are used in medicine as intestinal antiseptics, etc. A., Sulphuric, H2SO^, Oil of Vitriol, a heavy, oily, corrosive acid, consisting of not le than 92.5 per cent, sulphuric an hydrid and 7. 5 per cent, of water. It is used as a reagent and as a caustic. A., Sulph., Aromatic, contains 20 per cent, acid, diluted with alcohol and flavored with cinnamon and ginger. It is used as an astringent in diarrhea and in ACID-ALBUMIN night-sweats; also in hemoptysis. Dose TT\v-xv (0.32-1. o). A., Sulph., Dilute, contains 10 per cent, strong acid to 90 of water. It is used as an astringent. ch023.xhtml d 30