Thomson's Conspectus of the British pharmacopoeias.

Anthony Todd Thomson

Date:: 1852

Credit: Thomson's Conspectus of the British pharmacopoeias. Source: Wellcome Collection.

46/248 page 18

$ARSENICI OXIDUM ALBUM VENALE. D. Arsenicum Album. E. Acidum Arseniosum. L. Sublimed white Arsenic. Arsenious acid. Comp. Arsenic, the metal, 75*2, oxygen 24-8 parts ; or 2 eq. arsenic =75-4+3 oxygen=24_equiv.=99'4. (AS3 0\) Prop. In white, semivitreous, brittle lumps ; some transparent, others opaque ; odour, when heated with charcoal, that of garlic; taste sweetish. When heated with charcoal in a close glass tube, it sublimes in brilliant metallic scales, by which it may be detected when suspected as the cause of death. Its solution reddens litmus; sp. gr. 3*7 ; 1000 parts of water at 212° dissolve 37 parts, and retain 18, when cold, of the transparent acid; 115 of the opaque, and retain 29. The solution com- bines with alkalies. Oper. Tonic, escharotic. The most virulent of the mineral poisons. Use. In intermittents, periodic headaches, and chronic rheumatisms. An application to cancerous sores, in lotion. (R Acidi arseniosi, car- bonatis potassse, aa gr. viij., aquas f3jv. ; or, in ointment, Ifc acidi ar- seniosi 3j. ung. cetacei 3xij.) Dose. In solution, vide Liquor potassce arsenitis ; or gr. TlOth togr. \ in a pill. (R Arseniosi acidi gr. j. sacchari albi gr. x. micae panis gr. x. Tere saccharum cum acido, dein cum pane optimo contunde, et in pilul. aequal. decern divide.) Off. Prep. Liquor Potassce Arsenitis, L. Liq. Arsenicalis, E. D. ARSENlCI Er HYDRARG^RI HYDRIODATIS LIQUOR. D. Liquor of Hydriodate of Arsenic and Mercury. {Pure arsenic in fine powder 6 grs.; pure mercury 16 grs.; pure iodine 50| grs. ; alcohol 3ss.; distilled water Six., or a sufficient quantity. Rub together the arsenic, mercury, iodine, and spirit, until a dry mass is obtained, and having triturated 3viij. of the water with this in successive portions, let the whole be transferred to a flask, and heated until it begins to cool: when cool and filtered, let as much distilled water be added to it as will make the bulk of the solution exactly fSviij. and 3vj.) Prop. Pale greenish-yellow; inodorous; taste styptic; 3j. contains ^ gr. of oxide of arsenic, | of oxide of mercury, 5-7ths gr. of iodine in shape of hydriodic acid, in chemical combination. Oper. Stimulant, tonic, alterative. Use. Chronic cutaneous diseases, especially those of a scaly character, and occurring on the scalp. Dose. TTtx. to Hlxxx. largely diluted with distilled water thrice a day, and as a lotion 3j. to 3j. of distilled. Incomp. Acids ; most salts ; opium ; and the salts of morphia. ASSAFCETIDA. L. E. D. Assafcetida. (Narthex (Ferula) Assafce- tida. Pentand,Digyn. N.O. Umbelliferce. (Apiacece,Lindley.) Persia. %>) Comp. Gum 25*8, resin 47*2, resin insoluble in ether 1*6, essential oil 4-6, salts 10*5 parts in 100. Prop. In masses, of a whitish or reddish and violet hue, adhering to- gether ; odour foetid and alliaceous ; taste bitter and subacrid ; forms an emulsion with water. Oper. Antispasmodic, expectorant; emmenagoguej anthelmintic when injected into the rectum. Use. Hysteria, tympanitis, asthma, dyspnoea, pertussis, worms. Dose. In pill gr. x. to 3ss.; in solution, vide Mistura; in clyster 3ij. dissolved in water fjviij. Off. Prep. Tinct. Assafcetidce, L. E. D. Spiritus Ammonice Fcetidus, L. E. D. Tinct. Castorei Ammoniata, E. Pihtlce Assafcetidce, E. Pilulce Assafcetidce Comp. D. Pilulce Aloes et Assafcetidce, E. Pil. Gal- b tni Comp. L. Emplastrum Assafcetidce, E. Enema Assafcetidce, L. E. Enema Fcetidtcm. D. ART A NT HE ELONGATA. D. The Matico plant, leaves. (Diandria, Trigynia. N. O. Piperaccce. Peru. T?.) Prop. Taste aromatic, scarcely astringent; odour aromatic; active bitter principle, yielding to water and alcohol. Matico consists of a$

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