Chemical News and Journal of Industrial Science, Volum 78Chemical news office, 1898 |
Des de l'interior del llibre
Resultats 1 - 5 de 41.
Pàgina 7
... flask , having a capacity of about 80 c.c. , and closed by a glass stopper . Through the stopper pass two tubes , one of which reaches nearly to the bottom of the flask and serves for delivery of the gas . From 2 to 4 grms . of the gas ...
... flask , having a capacity of about 80 c.c. , and closed by a glass stopper . Through the stopper pass two tubes , one of which reaches nearly to the bottom of the flask and serves for delivery of the gas . From 2 to 4 grms . of the gas ...
Pàgina 18
... flask by means of a fine jet of water from the wash bottle , and two drops of a neutral solution of chromate of potassium are added ; this decomposes the succinate of silver in suspension and forms chromate of silver . We then add such ...
... flask by means of a fine jet of water from the wash bottle , and two drops of a neutral solution of chromate of potassium are added ; this decomposes the succinate of silver in suspension and forms chromate of silver . We then add such ...
Pàgina 19
... flasks , each containing initially the same concentration of maltose , while to one glucose has been added in equal ... flask , but a much slower conversion occurs in that containing the added glucose , and the effect is much more ...
... flasks , each containing initially the same concentration of maltose , while to one glucose has been added in equal ... flask , but a much slower conversion occurs in that containing the added glucose , and the effect is much more ...
Pàgina 30
... flask of the apparatus already described ( loc . cit . ) , then a certain quantity of chromous acetate suspended in water is introduced . After standing , the limpid solution is decanted and re- placed by a solution of one - fifth the ...
... flask of the apparatus already described ( loc . cit . ) , then a certain quantity of chromous acetate suspended in water is introduced . After standing , the limpid solution is decanted and re- placed by a solution of one - fifth the ...
Pàgina 35
... flask filled with hydro- apparatus . The introduction of gas ceases as soon as the gen and fitted with a vertical condenser . The product is flame is withdrawn . If , now , the platinum tube is covered an oil , insoluble in water ...
... flask filled with hydro- apparatus . The introduction of gas ceases as soon as the gen and fitted with a vertical condenser . The product is flame is withdrawn . If , now , the platinum tube is covered an oil , insoluble in water ...
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Passatges populars
Pàgina 122 - FELKIN, HM— Technical Education in a Saxon Town. Published for the City and Guilds of London Institute for the Advancement of Technical Education.
Pàgina 24 - Second, Revised, and Enlarged Edition. With a Preface by JOHANNES WISLICENUS, Professor of Chemistry at the University of Leipzig; and an Appendix 'Stereo-chemistry among Inorganic Substances,' by ALFRED WERNER, Professor of Chemistry at the University of Zurich.
Pàgina 142 - Annalen on The Constitution and Metamorphoses of Chemical Compounds, and on the Chemical Nature of Carbon...
Pàgina 129 - England than a scarcity of fertilisers — it means a scarcity of food. It is impossible that such a sinful violation of the divine laws of Nature should for ever remain unpunished ; and the time will probably come for England sooner than for any other country, when, with all her wealth in gold, iron, and coal, she will be unable to buy one-thousandth part of the food which she has, during hundreds of years, thrown recklessly away.
Pàgina 135 - No incident in my scientific career is more widely known than the part I took many years ago in certain psychic researches. Thirty years have passed since I published an account o( experiments tending to show that outside our scientific knowledge there exists a Force exercised by intelligence differing from the ordinary intelligence common to mortals.
Pàgina 136 - I cross the boundary of the experimental evidence, and discern in that Matter — which we, in our ignorance of its latent powers, and notwithstanding our professed reverence for its Creator, have hitherto covered with opprobrium, — the promise and potency of all terrestrial life.
Pàgina 99 - Bibliography of the Metals of the Platinum Group, Platinum, Palladium, Iridium, Rhodium, Osmium, Ruthenium, 1748-1896.
Pàgina 271 - The Chairman proposed, in a few neat sentences, the toasts of the Queen and the Prince and Princess of Wales, and the other members of the Royal Family, which were pledged with enthusiasm. In proposing the Army, Navy, and Reserve Forces, Sir Henry said he was very glad to associate with it a soldier who was able, from the position which he held, to reply for all branches of the service, commanding as he did...
Pàgina 214 - ... of a coal of unknown origin, and 0.45 per cent of a coal from Peru. Still later examinations in this laboratory of about 100 rocks, chiefly igneous, covering nearly the whole continental territory of the United States, show, not only its general qualitative and quantitative distribution, but that it predominates in the less siliceous igneous rocks and is absent, or nearly so, in those high in silica.
Pàgina 127 - The virgin land has been rapidly absorbed, until at present there is no land left for wheat without reducing the area for maize, hay, and other necessary crops.