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EMPLASTRUM GALBANI COMPOSITUM.
Emplastrum lithargyri compositum, P. L. I 787. Emplastrum commune cum gummi, P. L. II45. Diachylon magnum cum gummi, P. L. t 20.
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Emplastrum lithargyri cum hydrargyro, P. L. II 87. Emplastrum commune cum mercurio, P. L. 1765. Emplastrum mercuriale, P. L. 172O.
Sulphura ted Oil, a fluidi achm. Lead flaster, a PoUnd. Rub the mercury Willi the sulphurated olluntii the globules disappear; then add by degrees the lead plaster melled, and mix the
The use of a smali proportion os sulphurated oti diminishes the labour Whicli is requisite for the extinction of the mercii , and in the preparation of a plaster any diminutionos effect consequent thereiapon need not be looked to, Williso much care, as in other instances.
plustrum cantharidis, P. L. II 8I. Emplastrum vesicat rium, P. L. II 15.
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Having mel ted the plaster and lard together, and removed theni froni the fire, a litilebes ore they hecome solid, sprint te in thoblistering flies, and mix the whole together.
This biistering plaster Will be someWhat foster than theformer, and will spread easily without requiring the use of an heated iron spatula, whicli is used too hol is osten Dundio diministi iis erici, and ought there re to be omitted altogether.
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Emplastrum picis burgundicae, P. L. I 87. Emplastrum cephalicum, P. L. 1745. P. L. II20.
Emplastrum lithargyri, P. L. t 787. Emplastrum commune, P. L. 1745. Diachylon simplex, Ρ. L. 1720.
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stantly stiri in g, untii the oti and oxyd of te dianite in to the consisten Ce of a plaster. Butit Will be proper to adii a litile more hol ling vater, is the water Which was employed in the beginning Shail be nearly Consumedhefore the cnd of the PI OCOSS.
This plaster Was originalty called En laurum diacblon, hut then iis form was more complicate i. Ιis preparation is of great importance, as it fornis the basis, by additions towhich so many other plasters are prepared. The Water is necessary to moderate the heat, and prevent the oli Dom burning and groWing blach, and is more Water be required it must be added botling, or it Will be api to fly abolit. Constant stirring is also necessary to prevent the mass Domswelling suddenly and running over the fides of the vesset.
Emplastrum lithargyri cum resina, P. L. t 787. Emplastrum commune adhaesivum, P. L. 1765. P. L. II2O.
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Emplastrum saponis, P. L. IIS . Emplastrum e sapone, P. L. 1745. P. L. 1720.
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CERATEs talae their name Dom the wax wliich enters intotheir compositiora, and lo Whicli they o e their consi stence This should be intermediate between that os plasters and that of ointcnenis; though no very definite rule of this sortis in faci, either given or obserVed.
Ceratum lapidis calaminaris, P. L. IIST. Ceratum epuloticum, P. L. 17 5.
Tahe of prepared Calamine, Vellow Wax, of each hals a povia d. Olive Oil, a Piut.
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A compositiori of this kind was first introduced and lone used under the nanae of Turne, s Cerare.
Ceratum spermatis ceti, P. L. II 87. Ceratum album, P. L. II 5.
Ceratum Cantharidis, P. L. II 87.
Tahe of Spermaceti Cerate, Si X drachnis. Blistering Flies, in very sine PoWder, a drachm.
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Unguentum cerussae acetatae, P. L. 1787.
Ceratum lithargyri acetati compositum, P. L. IISI.
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Mix the wax, Previ ousty melled, With eiglit fluido uncos of the oli, then remove it si omthe sire, and , When it begitis to thi licii, add radu atly the solution os acetate Qi lead, and Constantly stir the mixture with a Woodenslice, untii it geis Cold. Lastiy, mix in thecamplior, previousty dissolved in the remainder of the oll.
ceratum resinae flavae, P. L. I 78I. Ceratum citrinum, P. L. 1715.