hydrargyrum (hi-drar'ji-rum). 1

Elementary mercury or quicksilver. See mercury. 2. Mercury purified by distillation for medicinal use. einplastrum hydrargyri. A preparation consisting of metallic mercury triturated with some fatty matter till the separate globules of the metal cease to be visible, and incorporated with lead plaster. The amount of mercury in the different preparations is 30 per cent. [U. S. Ph.], 33 per cent. [Br. Ph.]. h. ammonia tum. Ammoniated mercury, white precipitated ammoniochlorid of mercury. A white powder, representing about 80 per cent, of metallic mercury. It is obtained by precipitating a solution of mercuric chlorid with ammonia water [U. S. Ph., Br. Ph.]. h. auratum. A homeopathic trituration of gold amalgam, h. cum creta. Mercury with chalk; gray powder. The U. S. preparation is made by triturating 38 parts of mercury with 10 of clarified honey and 57 parts of prepared chalk reduced by evaporation to 100 parts. The British preparation is made by triturating together 1 part of mercury and 2 parts of prepared chalk until the mercury is extinguished and the mixture has a uniform gray color [U. S. Ph., T3r. Ph.]. hydrargyri - para phenOl - sulph on as. Occurs in brownish scales obtained by di olving yellow mercuric oxid in para phenol-sulphuric acid and evaporating. Used as a germicide, h. peptonatum. A preparation made by di olving 3 parts of dry peptone in 10 parts of water and stirring into this mixture a solution of 1 part of corrosive sublimate and 20 parts of water, then filtering the resulting precipitate and di olving in 3 parts of common salt and 50 parts of water. The final solution is diluted so that 1 c.c. shall contain 1 centigram of corrosive sublimate, and is used for hypodermic injection, h. sulpho-ichthyolicum. Of Unna, a mixture of 10 parts of sodium sulphichthyolate and 3 of corrosive sublimate, lin i mentum hydrargyri. Liniment of mercury, made by mixing 5 parts of mercurial ointment with 8 parts of camphor liniment and 4 parts of solution of ammonia [Br. Ph.]. liquor hydrargyri nitratis. A preparation containing 60 per cent, of mercuric nitrate in solution [U. S. Ph.]. liquor hydrargyri nitratis acid us. A colorle , very strong acid and caustic preparation of mercuric nitrate, Hg(N03)2, di olved in water with nitric acid in exce . It contains about 33 per cent, of mercury [Br Ph.]. liquor hydrargyri per chlorid i.