Notes on the pharmacopoeial preparations (B. P., 1867) : specially arranged for the use of students preparing for examination / by W. Handsel Griffiths.

Griffiths, W. Handsel (William Handsel), 1846-1877

Date:: 1873

Credit: Notes on the pharmacopoeial preparations (B. P., 1867) : specially arranged for the use of students preparing for examination / by W. Handsel Griffiths. Source: Wellcome Collection.

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$Oxide of Lead, Olive Oil, Water E. licsincG (Resin and-< Hard Soap) f E. Bellaclonnce (Extract of Bella- donna dissolved in rectitied spirits) E. O^ni (Opium) E. Calcfaciens (Canthavides, Ex- pressed Oil of Nutmeg, Yel- low Wax, Resin, Boiling- water) ^E. Plumbi lodidi (Iodide of Lead) E Saponis ) ^ CaUfadcns (Hard feoap \ piumhi lodidi and Kesm) ) E. Ferri (Hydrated Peroxide of Iron, Burgundy Pitch) E. Galhani (Galbanum, Ammoniacum, Yellow Wax) E. Eydrargyri (Mercury, Olive Oil, Sublimed Sulphur) The remaining Emplastra are,— E. Ammoniaci cum- Hydrargyro. E. CaiUharidis. E. Cerati Saponis. E. Picis. Ammoniacum Mercury Olive Oil Sublimed Sulphur Cantharides Yellow Wax Prepared Lard Prepared Suet Resin Hard Soap Yellow Wax Olive Oil Oxide of Lead Vinegar Burgundy Pitch Frankincense Resin Yellow Wax Expressed Oil of Nutmeg Olive Oil Water On reference to the above table it will be seen that Emplastnm Plumbi forms the basis of no less than nine Plasters, and that of the remaining four Emplastrum Cerati Sajwnis also contains a compound of olive oil and oxide of lead. Em]ilastrum Ammoniaci cum Hydrargyro, Emi^lastrum Cantharidis, and Emplastrum Picis owe their consistence and adhesiveness to resinous substances, or to a mixture of these with wax and oleaginous matter. Emjjiastrum- Piumhi is an oleo-margarate of lead; in its preparation the oleic and margaric acids of the oil combine with the lead, forming oleate and margarate of lead, while the glycerine, which is set free, _ remains dissolved in the water, or mechanically mixed with the Plaster.$