Ointment, Mercurial, with Hydrochlorate of Ammonia. (Dupuytren.) Syn. Unguentum hydrargyri cum ammoniæ muriate. Prep. Stronger mercurial ointment, 2 oz.; hydrochlorate of ammonia, 1 dr.
Ointment, Mercurial, with Soda. (F. H.) Syn. Unguentum hydrargyri cum soda, Savon mercuriel. Prep. Mercurial ointment, 31⁄2 oz.; solution of soda, 3 oz.; triturate until they combine.
Ointment of Mercury, Oleate of. (U. C. Hosp.) Syn. Linimentum hydrargyri oleatis, Unguentum hydrargyri oleatis. (10 per cent.) Prep. Yellow peroxide of mercury, 1 dr.; pure oleic acid, 10 dr. To the oleic acid kept agitated in a mortar, sprinkle in the peroxide gradually, and triturate frequently during 24 hours, until the peroxide is dissolved, and a gelatinous solution is formed, 20 per cent. as above, using double the quantity of yellow oxide. To be applied with a brush, or spread lightly over the part with the finger. In persistent inflammation of the joints, Professor Marshall adds to ʒj of the above preparation, 1 gr. of morphia—the pure alkaloid—not one of its salts, which are insoluble in oleic acid.
In the preparation of ointment of oleate of mercury it is of the utmost importance that the mercuric oxide should be thoroughly dry, and further that it should be sifted in small portions at a time upon the surface of the oleic acid, each fresh portion being well incorporated before another is added. Solution should be promoted by frequent stirring, at ordinary temperatures, since experience has shown that all heating is positively injurious.[66]
[66] C. Rice.
Ointment of Mercury, Yellow Oxide of. (U. S. Ph.) Syn. Unguentum hydrargyri, Oxydi flavi. Prep. Yellow oxide of mercury, 1 dr.; simple ointment, 420 gr.
Ointment of Meze′reon. Syn. Unguentum mezerei, L. Prep. 1. (Hamb. Cod.) Alcoholic extract of mezereon, 2 dr.; dissolve in
rectified spirit, q. s.; add it to white wax, 1 oz.; lard, 8 oz., and mix by a gentle heat.
2. (P. Cod.) Mezereon (dried root-bark), 4 oz.; moisten it with rectified spirit, bruise it well, and digest it for 12 hours, at the heat of boiling water, in lard, 141⁄2 oz.; then strain with pressure, and allow it to cool slowly; lastly, separate it from the dregs, remelt it, and add of white wax, 11⁄2 oz. Used as a stimulating application to blistered surfaces and indolent ulcers.
3. (P. Cod.) Ethereal extract of mezereon, 176 gr.; lard, 9 oz.; white wax, 1 oz.; rectified spirit, 1 oz.; dissolve the extract in the alcohol, add the lard and wax, heat moderately, stir until the spirit is driven off, strain and stir till cold.