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.
3. oldal
... liquid . This solution retains the potassa and caffeïne . The latter may be extracted by evaporating to dryness , washing the residue with cold alcohol , then dissolving the caffeine in boiling alcohol , which , after filtration , makes ...
... liquid . This solution retains the potassa and caffeïne . The latter may be extracted by evaporating to dryness , washing the residue with cold alcohol , then dissolving the caffeine in boiling alcohol , which , after filtration , makes ...
4. oldal
... liquid , which was distilled when the temperature of the first receiver had been Among the properties which distinguish allowed to rise to 194 ° F. This liquid , on our aliments , one of the most important- which floated minute ...
... liquid , which was distilled when the temperature of the first receiver had been Among the properties which distinguish allowed to rise to 194 ° F. This liquid , on our aliments , one of the most important- which floated minute ...
6. oldal
... liquid of great mobility . Its odor is strongly ammoniacal . Its density was found to be 1.13 ; it is , therefore , rather more dense than the air . The number found by experiment is a few hundredths higher than the theoretical number ...
... liquid of great mobility . Its odor is strongly ammoniacal . Its density was found to be 1.13 ; it is , therefore , rather more dense than the air . The number found by experiment is a few hundredths higher than the theoretical number ...
9. oldal
... liquid condenses , a brownish yellow residue the anhydrous lactic acid of Pelouze - C12 H10 Olo , remains . When the boiling is assisted by rough substances , the hydrated acid can be boiled at 390 ° F. , and distilled without ...
... liquid condenses , a brownish yellow residue the anhydrous lactic acid of Pelouze - C12 H10 Olo , remains . When the boiling is assisted by rough substances , the hydrated acid can be boiled at 390 ° F. , and distilled without ...
12. oldal
... liquid from which the nickel has been precipitated by peroxide of mercury , and which contains the cobalt in the state of cobalto - cyanide of potassium , is carefully neutralised with nitric acid , and a solution of protonitrate of ...
... liquid from which the nickel has been precipitated by peroxide of mercury , and which contains the cobalt in the state of cobalto - cyanide of potassium , is carefully neutralised with nitric acid , and a solution of protonitrate of ...
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...