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" Four fluid ounces with 30 grain-measures of the volumetric solution of nitrate of silver exposed for twenty-four hours to bright light, and then decanted from the black powder which has formed, undergoes no further change when again exposed to light with... "
A companion to the British pharmacopœia - Page 246
by Peter Squire - 1869
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The Elements of Materia Medica and Therapeutics, Volume 1

Jonathan Pereira - Materia medica - 1842 - 916 pages
...a filter purified by weak nitric acid, so as to separate the black powder which forms, — undergo no further change when again exposed to light with more of the test." The peculiar odour which spirit obtained from brandy or whiskey possesses, depends on a volatile oil,...
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Elements of materia medica

William Frazer - Materia medica - 1851 - 482 pages
...filter purified by weak nitric acid, to separate the black powder which forms, it should then undergo no further change when again exposed to light with more of the test, E." if impure, it becomes red. The odour of corn oil is best removed by re-distilling rectified spirit...
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Translation of the New London Pharmacopoeia, Including Also the New Dublin ...

Royal college of physicians of London, John Birkbeck Nevins - 1854 - 946 pages
...through a filter purified by weak nitric acid, so as to separate the black powder which forms, undergo no further change when again exposed to light with more of the test. This is intended to prove the absence of "grain oil." Composition. — Alcohol, 82; water, 18. The...
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Medicines, Their Uses and Mode of Administration

John Moore Neligan - Dispensatories - 1864 - 816 pages
...ounces with three measures of the volumetric solution of nitrate of silver exposed for twenty -four hours to bright light, and then decanted from the...when again exposed to light with more of the test. ADULTERATIONS. — The specific gravity is a sufficient test of the strength of alcohol and the weaker...
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Elements of Materia Medica ...

William Frazer - Materia medica - 1864 - 492 pages
...; exposed to bright light for twenty-four hours, and decanted from the black powder which forms, it undergoes no further change when again exposed to light with more of the test liquid, if sufficiently pure for medical use. According to Vogel, a red coloration is developed by...
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A Companion to the British Pharmacopoeia

Peter Squire - Pharmacopoeias - 1866 - 326 pages
...clear when diluted with Distilled Water. Odour and taste purely alcoholic. 4 ounces with 3 measures of the volumetric solution of Nitrate of Silver, exposed...the presence of Fusel Oil, and the quantity of it. (Lond. and Edin. 0'838 ; Dub. 0-840 ; Belg. 0-840 to 0-845 ; Austr. 0-833 to 0-863 ; Fr. 0-847 to 0-886...
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British Pharmacopoeia

General Medical Council (Great Britain) - British pharmacopoeia - 1867 - 478 pages
...when diluted with distilled water. Odour and taste purely alcoholic. Four fluid ounces with thirty grain-measures of the volumetric solution of nitrate...when again exposed to light with more of the test. Tinctures made with Rectified Spirit. SPIRITUS ROSMARINL SPIRIT OF ROSEMARY.* Take of Oil of Rosemary...
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Note-book of Materia Medica, Pharmacology, and Therapeutics

Robert Edmund Jackson - Drugs - 1867 - 710 pages
...diluted with distilled water. Odour and taste purely alcoholic. Four fluid winces with three measures of the volumetric solution of nitrate of silver exposed...when again exposed to light with more of the test. Alcohol is obtained from sugar by what is termed vinous fermentation, and it may be obtained from any...
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Pharmacopœia of India: Prepared Under the Authority of Her Majesty's ...

Edward John Waring - Pharmacopoeias - 1868 - 532 pages
...thirty grainmeasures of the volumetric solution of nitrate of silver exposed for twenty-four hoars to bright light, and then decanted from the black...when again exposed to light with more of the test. Principally employed in pharmacy as a menstruum in the preparation of Tinctures. SPIRITUS TENUIOR....
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British Homoeopathic Pharmacopoeia

British Homoeopathic Society - Homeopathic pharmacopoeias - 1870 - 364 pages
...diluted with distilled water. Odour and taste purely alcoholic. Four fluid ounces with 30 grain measures of the volumetric solution of Nitrate of Silver exposed...when again exposed to light with more of the test. Having thus ascertained that it is of average purity, it should be mixed with recently burned charcoal...
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