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Mistura Magnesii Hydroxidi, B.P.C. Magnesium Hydroxide Mixture.

Format explanation

Synonyms.—Cremor Magnesiae; Cream of Magnesia; Lac Magnesiae; Emulsio Magnesiae; Emulsion of Magnesia.

Magnesium Sulphate 18.00 | 3 oz. 262 1/2 gr.
Solution of Potassium Hydroxide 132.75 | 26 fl. oz. 264 min.
Light Magnesia 1.00 | 87 1/2 grains
Water, a sufficient quantity.
Distilled Water to 100.00 | to 20 fl. ounces

Dissolve the magnesium sulphate in 200 (40 fluid ounces) of water, add in a thin stream the solution of potassium hydroxide previously diluted with 100 (20 fluid ounces) of water, and allow the precipitate to settle; pour off the clear liquid, wash the precipitate with distilled water until the washings are free from saline taste, then transfer the precipitate to a "chamois skin" strainer, allow it to drain without pressing, add the light magnesia, mix, and diffuse the mixture in sufficient distilled water to produce the required volume. The product will contain the equivalent of about 24 grains of magnesium hydroxide in each fluid ounce.

Dose.—4 to 15 mils (1 to 4 fluid drachms).


The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.



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