Volume 1
The extra pharmacopœia of Martindale and Westcott.
- William Martindale
- Date:
- 1920-1921
Licence: Public Domain Mark
Credit: The extra pharmacopœia of Martindale and Westcott. Source: Wellcome Collection.
116/1212 page 74
![ACIBUM PHOSPHORICUM CONCENTRATUM. H3P04=98*064. Dose.—1 to 4 minims (0-06 to 0*25 Cc.). Antidotes,—As for Hydrochloric. Acid, q.v. Hydrated Phosphoric Acid, containing 66*3% of hydrogen ortho¬ phosphate, corresponding to 47'4% of phosphoric anhydride; Sp. Gr. 1*5. Commercially, it is also prepared, having Sp. Gr 1*75, and containing 64*3% of the anhydride—88* 8% HsP04 (U.S. is 85% H3P04). If of this strength it may be reduced to B.P strength by adding to each 3 parts by weight 1 part of distilled water. Fe. Cx. and P. Xtal. 50% by weight of H3PQ4. Sp. Gr. 1-349. 6 \cidum Fhosphoricum * P.G.V. and Ph. Ned., is 25% H3P04. See vol II. for Analysis and further details. Aeidum Phosphoricum Bilutum (Off.). Dose.—5 to 20 minims (0-3 to 1-2 Cc.), Contains Off., U.S. and P. Helv., 10% H3P04 Sp. Gr. 1*057. Dilute Concentrated Phosphoric Acid (66*3%) 106*3 Cc. with Dis¬ tilled Water, q.s. to 1000 Cc. Incompatible with alkalis, ferric chloride, lime salts. Usese—A nerve tonic and haematinic. Said to increase the proportion of phosphates in the red blood corpuscles, and to increase the coagulability of the blood. Well diluted, is a pleasant cooling drink in fevers, and relieves thirst in diabetes. It renders iron preparations compatible with astringent vegetable infusions. ACIBUM PXCRICUM {Off.). P. Jap. ; Fa. Cx. Sim. Carbazqtig Acid ; Trtnitropiiexic Acid. C6H2.0H.N02.N02.N02 [1:2:4: 6]=229*078. Dose.—to 2 grains (0-016 to 0-12 Gm.). Is formed by cautiously adding phenol to fuming nitric acid, heat¬ ing the mixture, and purifying by re-crystallizing. It is in yellow, shining, bitter tasting crystals, which melt at 125*5° C.—the yellow liquid may be distilled without decomposition. Heated rapidly to 300° C. in the open it burns. For details of Picric Acid and other compounds as explosives, see Vol. II. Solubility.—1 in 90 of water with yellow colour, and 1 in 10 of alcohol 90%, and in ether about 1 in 20. Use.—Solutions or ointment are applied in the treatment of burns, erysipelas, pruritus, eczema, chilblains and gonorrhoea. In phthisis, inhalation of Vapour from 60 Gm. dissolved in 1000 Cc Water heated to boiling,—daily for 2 to 3 hours gives good results, even cures, it is stated. In stomatitis mercurialis a watery paste of the acid has been applied to the parts every 2 days—relieves pain and removes ulceration.](https://iiif.wellcomecollection.org/image/b31360440_0001_0116.jp2/full/800%2C/0/default.jpg)
