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Directed to be made in the Pharm. U. S. from muriate of Ammonia, in fine powder; and Lime, each a poundj distilled water a pint; water, nine fluid ounces. The water is employed to slake the lime; this is mixed -with the muriate of ammonia and put into a glass retort in a sand-bath. Heat is applied so as to drive off the ammonia, which is made to pass into a quart bottle containing the distilled water. To every ounce of the product three and a half fluidrachms of distilled water are added, or as much as maybe necessary to raise its s. g. to 0-96. This Liquor Ammoniae may also be made by mixing one part of liquor ammoniae fortior with two parts of distilled water. (Ph. U. S. 1842.) Its s. g. is 0-960.