From it are made (a) confectio sulphuris; (b) unguentum sulphuris; (c) sulphur praecipitatum, milk of sulphur (U.S.P.) which has a sub-preparation trochiscus sulphuris each lozenge containing 5 grs.
Of potassium acid tartrate; (d) potassa sulphurata (liver of sulphur), a mixture of salts of which the chief are sulphides of potassium; (e) sulphuris iodidum (U.S.P.), which has a preparation unguentum sulphuris iodidi, strength 1 in 25.
From this salt are made the following preparations: (a) Pilula Plumbi cum Opio, the strength of the opium in it being i in 8, dose 2 to 4 grains; (b) Suppositoria Plumbi composita, containing lead acetate, opium and oil of theobroma, there being one grain of opium in each suppository; (c) Unguentum Plumbi Acetatis; (d) Liquor Plumbi Subacetatis Fortior, Goulard's extract, strength 24% of the subacetate; this again has a sub-preparation, the Liquor Plumbi Subacetatis Dilutis, called Goulard's water or Goulard's lotion, containing 1 part in 80 of the strong extract; (e) Glycerinum Plumbi Subacetatis, from which is made the Unguentum Glycerini Plumbi Subacetatis.
(3) Plumbi Carbonas, white lead, a mixture of the carbonate and the hydrate, a heavy white powder insoluble in water; it is not used internally, but from it is made Unguentum Plumbi Carbonatis, strength 1 in so parts of paraffin ointment.
In British pharmacy gall-nuts are used in the preparation of the two astringent ointments unguentum gallae and unguentum gallae cum opio, and of the tinctura gallae, and also as a source of tannin and of gallic acid.
(2) Potassii Iodidum, dose 5 to 20 grs.; from this are made the Linamentum Potassii Iodidi cum sapone, strength 1 in 10, and the Unguentum Potassii Iodidi, strength 1 in 10.