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Fluid Extract of Sumach

the dense solution, renew the water, and again macerate and decant. Mix the two liquids, Take 4 pints 76 per cent. alcohol, and 1 pound evaporate to 12 fluid ounces, dissolve in it the of the recently dried bark of Rhus Glabrum sugar, and again evaporate until the measure (sumach) in coarse powder. Moisten the of 1 pint is obtained. powdered bark with sufficient alcohol and let 4596. Grahame's Fluid Extract of it macerate for 24 hours, then percolate with Burdock. Take of burdock, in No. 50 pow- the remainder of the alcohol, returning the der, 16 ounces; dilute alcohol (alcohol 9 first that passes until it runs clear. Reserve parts, water 7 parts), a sufficient quantity. the first 4 clear fluid ounces of tincture, evapof tincture, evap- Dampen the powder with the menstruum and orate the remainder to 4 fluid ounces, and pack it in a suitable glass displacer; having set aside. Then percolate the residuum near- MEDICINAL ESSENCES. ly to exhaustion with hot water, evaporate make the whole measure 16 fluid ounces. this aqueous solution to 1/2 pint, then add to it 4 ounces white sugar, evaporate to 8 fluid ounces, and, while warm, mix it with the reserved 8 ounces of tincture to make 1. pint of fluid extract. (Am. Dis.)