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Reduced Balsam of Copaiba

of Copaiba.

TONICS. pounds; mix. Or: Balsam of copaiba, 7 sufficient quantity, till of proper consistence. pounds; castor oil, 4 pounds; yellow resin, 2 Or: 4 ounces gum benzoin may be dissolved pounds. Or: Equal parts of balsam of co- by heat in 1 pound Canada balsam, and to paiba and balsam of Canada mixed together. the mixture, when cold, 1 ounce each of the mixture, when cold, + ounce each of the Or: To the last add 2 pounds of Venice tur- oils of rosemary, lemon, and cassia, added. pentine. Or: Balsams of Canada and copaiba, 5112. Hoffmann's Life Balsam, found and nut or castor oil, equal parts. Or: Co- in Continental Pharmacopœias under the name paiba, 7 pounds; nut oil, 3 pounds; yellow Mistura oleosobalsamica, and other titles, is resin, 2 pounds; balsam of Canada, 1 pound. prepared as follows Take 1 fluid ounce each The above are the forms for the reduction of of the oils of lavender, cloves, cinnamon, copaiba balsam, that have from time to time thyme, lemon peel, and mace; 3 fluid ounces been circulated in the drug trade. For the each oil of bergamot and balsam Peru; and 5 mode of distinguishing such compounds from pints alcohol. The oils and balsam are grad- . The oils and balsam are gradthe pure balsam, see next receipt. ually added to the alcohol, the whole well 5107. To Detect Factitious or Re- shaken and allowed to rest for a few days in a duced Balsam Copaiba. Chevallier recom- cool place, when it is filtered and ready for mends the following test: Place a drop of the use. Different European Pharmacopœias vary Different European Pharmacopeias vary balsam on a piece of unsized paper, and heat from each other somewhat in the proportion it until all the essential oil be expelled; it of the oils. the oils. 5113.

Nervine Balsam or Baume should then form a semi-transparent, welldefined spot; but if the balsam has been Nerval. Expressed oil of mace, and preadulterated with a fat oil, it will be surrounded pared oxmarrow, of each 4 ounces melted by an oily areola. According to Planche, the together; oil of rosemary, 2 drachms; oil of pure balsam, when shaken with liquid ammo- cloves, 1 drachm; camphor, 1 drachm; balcloves, 1 drachm; camphor, 1 drachm; balnia specific gravity .965, becomes clear and sam of tolu, 2 drachms; the last two dissolved transparent in a few moments. Vigne says: 24 parts pure balsam with 1 part liquor of ammonia, form a transparent mixture, which may be heated to 2120 without becoming opaque. Boiled with 50 times its weight of water for 1 hour, it should lose at least half its weight. in rectified spirit, 4 fluid drachms; and the whole stirred till cold.