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Sulphate of Quinine

This is to cool before mixing; decant the clear liquor. the disulphate of quinia. Boil 48 troy ounces The pure acetate is made from pure hydrate coarsely powdered yellow cinchona, in 13 of alumina, by digesting it in cold, strong pints of water containing 14 troy ounces muacetic acid, until the latter is saturated. By riatic acid, and strain through muslin. Boil spontaneous evaporation long transparent the residue twice successively with the same crystals form. quantity of water and acid as before, and