The Chemist: A Monthly Journal of Chemical Philosophy, 1. köide1850 |
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Page 2
... liquors to treat , it was necessary to eliminate by means of alcohol foreign substances from the compound just ... liquor removes from the solution the sub- stance sought . All the alcoholic solutions were distilled on a sand bath ...
... liquors to treat , it was necessary to eliminate by means of alcohol foreign substances from the compound just ... liquor removes from the solution the sub- stance sought . All the alcoholic solutions were distilled on a sand bath ...
Page 3
... liquor becomes turbid ; a pellicle of reduced metallic silver very soon appears on the surface , and gradually ex- tends to the sides of the vessel . The proximate analysis of the double salt may be performed by several processes ; the ...
... liquor becomes turbid ; a pellicle of reduced metallic silver very soon appears on the surface , and gradually ex- tends to the sides of the vessel . The proximate analysis of the double salt may be performed by several processes ; the ...
Page 7
... liquor , which is scarcely colored , contains hydriodate of methylamine IH , C2 H5 N. The red in- soluble compound which is thus formed is analogous to iodide of nitrogen . The salts of zinc at first gives white pre- cipitates , but ...
... liquor , which is scarcely colored , contains hydriodate of methylamine IH , C2 H5 N. The red in- soluble compound which is thus formed is analogous to iodide of nitrogen . The salts of zinc at first gives white pre- cipitates , but ...
Page 8
... liquor was acidulated to keep it limpid ) , added to the liquor to be tested , did not prevent the formation of the precipitate ; the same salts , added to the distilled water , did not preci- pitate the nitrate of uranium . 2 ...
... liquor was acidulated to keep it limpid ) , added to the liquor to be tested , did not prevent the formation of the precipitate ; the same salts , added to the distilled water , did not preci- pitate the nitrate of uranium . 2 ...
Page 16
... liquor a precipitate of sulphate of baryta , which might arrest the action if not stirred so as to detach the sulphate of baryta from the surface of the deutoxide of barium ; moreover , this should always be done to increase the ...
... liquor a precipitate of sulphate of baryta , which might arrest the action if not stirred so as to detach the sulphate of baryta from the surface of the deutoxide of barium ; moreover , this should always be done to increase the ...
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Common terms and phrases
according action added alcohol alkali ammonia amount analysis animal appears applied becomes bodies boiling called carbonate cause cent charcoal chemical chloride color combination completely composition compound considerable consists contained copper crystals determined dissolved distilled dried effects electricity employed ether evaporation examined exist experiments extract fact filtered gave give glass gold grammes heat hydrogen important iron known lead leaves less light lime liquid liquor manner matter means metallic mixed mixture nature nitrate nitric acid nitrogen observed obtained operation organic oxide oxygen passed phosphate plants portion potassa precipitate prepared present produced properties proportion proved pure quantity remains removed salt separated silver soda soluble solution substances sufficient sugar sulphate sulphuric acid supply surface temperature tion treated vegetable washed weight zinc
Popular passages
Page 356 - ... view of this vast collection will produce upon the spectator will be that of deep thankfulness to the Almighty for the blessings which he has bestowed upon us already here below, and the second, the conviction that they can only be realized in proportion to the help which we are prepared to render to each other, therefore only by peace, love and ready assistance not only between individuals but between the Nations of the Earth.
Page 356 - The products of all quarters of the globe are placed at our disposal, and we have only to choose which is the best and the cheapest for our purposes, and the powers of production are entrusted to the stimulus of competition and capital.
Page 77 - ... put the mucky liquid to stand, so that they may, after it has rested for a day or two, skim the fluid from the solid particles of filth, pollution, and disease.
Page 347 - ... and liberates the oxygen in its gaseous state to sustain the healthy functions of the animal life, at the same time that it feeds on the rejected matter which has fulfilled its purposes in the nourishment of the fish and snail, and preserves the water constantly in a clean and healthy condition.
Page 321 - When one pound of lean beef, free of fat, and separated from the bones, in the finely chopped state in which it is used for beef sausages or mincemeat, is uniformly mixed with its own weight of cold water, slowly heated to boiling, and the...
Page 356 - ... we are living at a period of most wonderful transition, which tends rapidly to the accomplishment of that great end to which, indeed, all history points — the realization of the unity of mankind.
Page 356 - Not a unity which breaks down the limits, and levels the peculiar characteristics of the different nations of the earth, but rather a unity the result and product of those very national varieties and antagonistic qualities. The distances which separated the different nations and parts of the globe are...
Page 356 - Whilst formerly the greatest mental energies strove at universal knowledge, and that knowledge was confined to the few, now they are directed on specialities, and in these, again, even to the minutest points...
Page 204 - It was further shown that chemical decompositions may be produced by liquid diffusion ; the constituents of a double salt of so much stability as common alum being separated, and the sulphate of potash diffusing in the largest proportion. In fact the diffusive force is one of great energy, and quite as capable of breaking up compounds as the unequal volatility of their constituents.
Page 71 - ... at a high temperature, and recasting several times to give a great many tints, varying from blue to pink, red, opaque yellow, and green. Charcoal in excess in a mixture of silica-alkaline glass gives a yellow colour, which is not so bright as the yellow from silver, — and this yellow colour may be turned to a dark red by a second fire. The author is disposed to refer these chromatic changes to some modifications of the composing particles rather than to any chemical changes in the materials...