302 VIII. ACIDS.— Muriatic. 



anic acid.'* With respect to the medicinal use of this substance 

 it may be remarked that several distinguished practitioners have 

 found it serviceable in affections of a spasmodic nature, either of 

 the lungs or stomach. 



OF MINERAL ORIGIN. 



^ White arsenic, Oxide of arsenic, Acide arsenieux, Deutoxide 

 d^arsenic, Arsenicum album, Oxidum arsenici, Arsenici oxydum, 

 Acidum arseniosum. Obtained in a powdery form by subliming 

 some kinds of cobalt ore, and reduced to lumps, for convenience 

 of carriage, by sublimation. Imported from Germany in casks of 

 2 to 5 cwt. 



Arsenici oxydum prceparatum. From the former by a fresh 

 sublimation : tonic, but scarcely ever used in medicine, although 

 frequently for empoisoning or self-destruction ; in metallic mix- 

 tures to whiten copper and in dyeing. 



Tasteless ague drop. White arsenic gr. j, water loz. ; dissolve : 

 dose a tea-spoonful night and morning. Used in the fen countries 

 by private practitioners. In a book of travels through England, 

 it is said to be common for the farmers in the marshy parts of 

 Essex to fetch their wives from the uplands, who seldom live 

 long in the low countries ; so that most of the farmers there have 

 had several wives, and many make much money by this system of 

 wiving. Does this mortality arise from the ague, or from the use 

 of this remedy ? 



Solution of deutoxide of arseiiicfor assaying Distilled water 3iv, 

 white arsenic gr. xlviij ; dissolve by boiling. As a test for Sul- 

 phuric acid, lime, and copper. 



BoRACic ACID, Sedative salt of vitriol, Acidum boracicum, Sal 

 acidum boracis. Borax 3oz., water 2 pints; dissolve, add oil of 

 vitriol 5vj, evaporate to a pellicle, and crystallize. 



2. From the water of some Italian lakes, by evaporation and 

 crystallization in such quantities as to overstock the market : some 

 left in the Custom-house, as not worth the duties laid on it. Used 

 to make borax. 



Muriatic acid, Hydrocldoric acid, Marine acid, Acid of com- 

 mon salt, Acidum muriaticum. A, hydrochloricum, A. salis com- 

 munis. — LemerVs spirit of salt. Common salt lib., potters' earth 

 31b. ; moisten, mix, make into balls, distil. 



Acid water of salt. Aqua acida salis communis. — Oil of salt. 

 Oleum salis. Redistil Lemeri's acid by a heat of about 100 deg. 

 Fahr. ; the acid water comes over, limpid, ungrateful to the taste ; 

 the oil of salt remains very rich, fragrant, gratefully acid, greenish 

 yellow. 



