the chemist; a monthly journal of chemical philosophy and of chemistry applied to the arts, manufactures, agriculture, and medicine, and record of pharmacy. |
Részletek a könyvből
1 - 5 találat összesen 100 találatból.
1. oldal
... ether in a displacement and continuous distillation apparatus . The ethereal solution gives , on approach- ing to dryness , a fatty matter , which may be separated by washing with boiling water . The aqueous solutions , mixed , leave a ...
... ether in a displacement and continuous distillation apparatus . The ethereal solution gives , on approach- ing to dryness , a fatty matter , which may be separated by washing with boiling water . The aqueous solutions , mixed , leave a ...
2. oldal
... ether was very care- fully washed with alcohol of 0.60 ; the solutions , added together , were of a rather syrupy consistence : three times their bulk of alcohol was added to them . The liquid separated into two parts : one was viscid ...
... ether was very care- fully washed with alcohol of 0.60 ; the solutions , added together , were of a rather syrupy consistence : three times their bulk of alcohol was added to them . The liquid separated into two parts : one was viscid ...
5. oldal
... ether , which waste may be determined by dissolving this essence a second time in ether , and weighing again after a second evaporation . This essential oil was formed of two parts ; one , less volatile and less fluid , appeared to ...
... ether , which waste may be determined by dissolving this essence a second time in ether , and weighing again after a second evaporation . This essential oil was formed of two parts ; one , less volatile and less fluid , appeared to ...
6. oldal
... ether , the mixture very soon be- comes turbid ; alcohol is formed . and very fine crystals , of a compound which is to oxamide what ethylamine is to ammonia , are separated . It is ethyloxamide , whose composition is represented by the ...
... ether , the mixture very soon be- comes turbid ; alcohol is formed . and very fine crystals , of a compound which is to oxamide what ethylamine is to ammonia , are separated . It is ethyloxamide , whose composition is represented by the ...
6. oldal
... ethers , inasmuch as the latter furnish in decom . position only 1 eq . acid to 1 eq . alcohol , 2 eqs . of water being assimilated . The artificial compounds of glycerine which correspond to the acid ethers , furnish , like them , 2 ...
... ethers , inasmuch as the latter furnish in decom . position only 1 eq . acid to 1 eq . alcohol , 2 eqs . of water being assimilated . The artificial compounds of glycerine which correspond to the acid ethers , furnish , like them , 2 ...
Gyakori szavak és kifejezések
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 excess exist experiments extract fact filtered gave give glass gold grammes heat hydrogen important iodine iron known lead leaves less light lime liquid liquor manner matter means metallic mixed mixture nature necessary nitrate nitric acid nitrogen observed obtained operation organic oxide oxygen passed plant 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 surface temperature tion treated vegetable washed weight zinc
Népszerű szakaszok
346. oldal - THE EXHIBITION of 1851 is to give us a true test and a living picture of the point of development at which the whole of mankind has arrived in this great task, and a new starting point from which all nations will be able to direct their further exertions.
346. oldal - So man is approaching a more complete fulfilment of that great and sacred mission which he has to perform in this world. His reason being created after the image of God, he has to use it to discover the laws by which the Almighty governs His creation, and, by making these laws his standard of action, to conquer nature to his use ; himself a divine instrument.
311. oldal - ... now become hard and horny, we obtain an equal weight of the most aromatic soup, of such strength as cannot be obtained, even by boiling for hours, from a piece of flesh. When mixed with salt and the other usual additions, by which soup is usually seasoned, and tinged somewhat darker by means of roasted onions or burnt sugar, it forms the very best soup which can in any way be obtained from 1 Ib. of flesh.
372. oldal - CYCLOPEDIA OF AGRICULTURE, PRACTICAL AND SCIENTIFIC; in which the Theory, the Art, and the Business of Farming, m all their departments, are thoroughly and practically treated.
67. oldal - ... 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.
337. oldal - ... 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.
194. oldal - 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.
346. oldal - ... 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.
346. oldal - 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...
346. oldal - 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...