Medicines, Their Uses and Mode of Administration

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Fannin, 1864 - Dispensatories - 934 pages
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Page 646 - Fifty grains dissolved in a fluid ounce of water, and treated with a slight excess of ammonia, give a white precipitate, which, when collected on a filter and dried, weighs eight grains. The precipitate is entirely soluble in pure ether...
Page 173 - Macerate the colchicum for forty-eight hours in fifteen fluid ounces of the spirit, in a closed vessel, agitating occasionally ; then transfer to a percolator, and, when the fluid ceases to pass, continue the percolation with the remaining five ounces of spirit.
Page 2 - ... charged with a very short column of mercury. The heat of a fire, which should be very gradually raised, is now to be applied to the metal pot, and continued until bubbles of condensible gas cease to escape from the extremity of the glass tube which dips into the water of the matrass. The process being terminated, the matrass will contain about forty-three fluid ounces of strong solution of ammonia.
Page 608 - Soap-bark for forty-eight hours, with fifteen ounces of the Spirit, in a close vessel, agitating occasionally; then transfer to a percolator, and when the fluid ceases to pass, pour into the percolator the remaining five ounces of the Spirit. As soon as the percolation is completed, subject the contents of the percolator to pressure, filter the product, mix the two liquids, and add sufficient Proof Spirit to make one pint.
Page 613 - As soon as the percolation is completed, subject the contents of the percolator to pressure, filter the product, mix the liquids, and add sufficient proof spirit to make one pint.) Dose, f3ss.
Page 351 - Add very cautiously, with constant stirring, a solution of the carbonate of potash so as nearly to neutralize the acid ; care, however, being taken that an excess is not used. Set to rest for six hours, then filter, and add carbonate of potash in such quantity that the liquid shall acquire a decided alkaline reaction. Place...
Page 549 - Dissolve the perchloride of mercury in 3 pints, and the iodide of potassium in the remainder of the water, and mix the two solutions. When the temperature of the mixture has fallen to that of the atmosphere, decant the supernatant liquor from the precipitate, and having collected the latter on a filter, wash it twice with cold distilled water, and dry it at a temperature not exceeding 212░.
Page 93 - Pour the water on the iron placed in a porcelain capsule, add the sulphuric acid, and when the disengagement of...
Page 638 - Dissolve the arseniate and acetate of soda in two pints, and the sulphate of iron ia three pints of the water, mix the two solutions, collect the white precipitate which forms, on a calico filter, and wash until the washings cease to be affected by a dilute solution of chloride of barium. Squeeze the washed precipitate between folds of strong linen in a screw press, and dry it on porous bricks in a warm air chamber whose temperature shall not exceed 100░.
Page 579 - Evaporate to dryness ; reduce the residue to a fine powder, and mix this intimately with the charcoal. Throw the mixture in small quantities at a time into a red-hot iron crucible, and when the whole has been brought to a state of fusion. remove the crucible from the fire and pour out its contents. When the fused mass has cooled dissolve it in the water, filter the solution through paper, and set it aside to crystallise.

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