British Homœopathic Pharmacopœia

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British Homœopathic Society, 1882 - 456 páginas
 

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Página xi - Published under the direction of the general council of medical education and registration of the United Kingdom, pursuant to the medical act (1858).
Página 163 - Mix eight fluid ounces of the hydrochloric acid with the distilled water, and in this dissolve the iron at a gentle heat. Filter the solution, add to it the remainder of the hydrochloric acid and the nitric acid, heat the mixture briskly, until, on the sudden evolution of red fumes, the liquid becomes of an orange-brown colour, then evaporate by the heat of a, water-bath until it is reduced to ten fluid ounces.
Página 336 - Ten grains of chlorinated lime, mixed with thirty grains of iodide of potassium and dissolved in four fluid ounces of water, produce, when acidulated with two fluid drachms of hydrochloric acid, a reddish solution, which requires for the discharge of its color, at least 850 grain measures of the volumetric solution of hyposulphite of soda, corresponding to thirty per cent, of chlorine liberated by hydrochloric acid."— Br.
Página 57 - According to the metrical system, the quantities of the substances to be tested are expressed in grammes by weight, whilst the quantities of the test solutions employed in testing are expressed in cubic centimetres, — the cubic centimetre being the volume of a gramme of Distilled Water. As the cubic centimetre bears the same relation to the gramme that the grainmeasure bears to the grain, the one system may be substituted for the other with no difference in the results, excepting that, by the metrical...
Página 55 - Ammonia . . .5 fluid ounces Put three fluid ounces of the ammonia into a bottle, and conduct into this a stream of sulphuretted hydrogen so long as the gas continues to be absorbed ; then add the remainder of the ammonia, and transfer the solution to a green-glass bottle furnished with a well-ground stopper.
Página 4 - ... into a stoppered bottle, and allow them to remain in contact for two days, frequently shaking the bottle. Expose the Slaked Lime to a red heat in a covered crucible for half an hour, then remove it from the fire, and, when it has cooled, immediately put the Lime into a flask or retort, and add to it the Spirit from which the denser aqueous solution of Carbonate of Potash, which will have formed a distinct stratum at the bottom of the bottle, has been carefully and completely separated. Attach...
Página 91 - Digest the residue for half an hour with two pints of the water, and having collected the insoluble matter on a calico filter, wash it repeatedly with distilled water until the washings cease to give a precipitate with chloride of barium. Finally, dry the product at a temperature not exceeding 212° F.
Página 5 - Characters and Tests. — Colourless and free from empyreumatic odour. Specific gravity 0-795. It is entirely volatile by heat, is not rendered turbid when mixed with water, and does not cause anhydrous Sulphate of Copper to assume a blue colour when left in contact with it.
Página 106 - Rhizome from one to three inches long, and two or three lines thick, cylindrical, contorted, rough from the scars of the coriaceous leaves, and furnished with numerous long slender fibres ; has a peppery taste and peculiar odour.
Página 64 - Take of Solution of Soda, a sufficiency ; Distilled Water, a sufficiency : fill a burette with the Solution of Soda, and cautiously drop this into 63 grs.

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