The Chemical News and Journal of Physical Science, Томове 33–34Griffin, Bohn and Company, 1876 |
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Страница 7
... precipitate of uranium ferrocyanide . The preci- pitate obtained much resembles the precipitate of copper ferrocyanide , but may be distinguished by the solubility of the precipitates in hydrochloric acid , viz . , the uranium ...
... precipitate of uranium ferrocyanide . The preci- pitate obtained much resembles the precipitate of copper ferrocyanide , but may be distinguished by the solubility of the precipitates in hydrochloric acid , viz . , the uranium ...
Страница 35
... precipitate , which hangs a long time in the solution and contains the elements of ammonia . ON PERBROMIC ACID . By R. W. EMERSON MACIVOR , M.P.S.L. , F.C.S. , & c . , Lecturer on Chemistry , Melbourne , Victoria . I HAVE measured anew ...
... precipitate , which hangs a long time in the solution and contains the elements of ammonia . ON PERBROMIC ACID . By R. W. EMERSON MACIVOR , M.P.S.L. , F.C.S. , & c . , Lecturer on Chemistry , Melbourne , Victoria . I HAVE measured anew ...
Страница 48
... precipitate of that colour , was developed on heating this fulminate . But this development of colour only occurs in the case of the freshly prepared fulminate of iron , for the salt , being one of very great instability , commences ...
... precipitate of that colour , was developed on heating this fulminate . But this development of colour only occurs in the case of the freshly prepared fulminate of iron , for the salt , being one of very great instability , commences ...
Страница 49
... precipitates ; but if the addition of the acid or chloride be delayed till after the precipitate has become white , then both fail to reproduce the purple colouration , owing to the previous decomposition of the silver compound . This ...
... precipitates ; but if the addition of the acid or chloride be delayed till after the precipitate has become white , then both fail to reproduce the purple colouration , owing to the previous decomposition of the silver compound . This ...
Страница 54
... precipitate the soluble salts of lime and magnesia with an excess of pure carbonate of potassa . The iodine being thus fixed will be found in the residue after evaporation , which is slightly ignited to destroy organic matter . The ...
... precipitate the soluble salts of lime and magnesia with an excess of pure carbonate of potassa . The iodine being thus fixed will be found in the residue after evaporation , which is slightly ignited to destroy organic matter . The ...
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Страница 117 - The apparatus was fitted up in a room specially devoted to it, and was protected on all sides, except where the rays of light had to pass, with cotton-wool and large bottles of water. A heliostat reflected a beam of sunlight in a constant direction, and it was received on an appropriate arrangement of slit, lenses, prisms, &c., for projecting a pure spectrum.