File:A treatise on pharmacy for students and pharmacists (1895) (14764044321).jpg

Identifier: treatiseonpharma00casp (find matches)
Title: A treatise on pharmacy for students and pharmacists
Year: 1895 (1890s)
Authors: Caspari, Charles, jr. (from old catalog)
Subjects: Pharmacy
Publisher: Philadelphia, Lea brothers & co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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as acids or ethers, are presentin the drug, and, passing over with the steam, remain dissolved in thecondensed water. In distilling aromatic waters over a naked fire,care should be taken to prevent the material from being scorched,which can be obviated by placing the drug either upon a diaphragmor in a perforated vessel or wire cage, and then suspending this inthe water. A peculiar odor is observed in some waters immediatelyafter they have been distilled and condensed in tin vessels, but not THE OFFICIAL WATERS. 209 when glass vessels have been used; if the waters be exposed to theair in loosely stoppered vessels, for a few days, this still-odor disap-pears and the natural odor of the water becomes apparent. The stronger orange flower and rose waters are obtained, on a largescale, often as by-products in the distillation of the respective oils ;in commerce they are distinguished as of triple or quadruple strength.In order to produce a saturated solution of the oil, recourse is had to
Text Appearing After Image:
The Curran Water Still.a is a tin-lined copper boiler, c is a galvanized jacket for supporting the boiler over the gasburners, and is attachable at b, b ; it is also intended to act as a flue to utilize tbe heat from thegas burners on the sides of the boiler, n is a screw cover removable for rilling or cleansing theboiler, f is the vapor pipe from the boiler to the condensing coil, p, in the galvanized iron con-densing tank, e, which is provided with an inlet for cold water at t, and an outlet for the warmwater at I. At g is a union for connecting the vapor pipe with the condensing coil, s is theoutlet for the condensed water, and x is the receiving vessel, j is a perforated ring resting onthe jacket, and k are vent holes in the ring, through which the exhausted gases pass off. o isa removable cover for cleansing out the condensing tank, r is a faucet for drawing off thewater from the condensing tank. L, L, l are the gas burners, and n the iron frame supportingthe apparatus and burner

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