Chemical News and Journal of Industrial Science, Volúmenes19-20Chemical news office., 1869 |
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Página 6
... obtained . A small quantity of concentrated nitric acid dissolves the copper . The magnet , acting under water , is the best means to separate troïlite and schreibersite ( which are magnetic ) from graphite and stony matter ...
... obtained . A small quantity of concentrated nitric acid dissolves the copper . The magnet , acting under water , is the best means to separate troïlite and schreibersite ( which are magnetic ) from graphite and stony matter ...
Página 10
... obtained as a colour- into the nitro - compound 6H2Cl2 ( NO2 ) OH , which shows all the properties of that from the liquid dichlorphenol , as described by Laurent . Amidodichlorphenol may be ob- tained by the action of tin and ...
... obtained as a colour- into the nitro - compound 6H2Cl2 ( NO2 ) OH , which shows all the properties of that from the liquid dichlorphenol , as described by Laurent . Amidodichlorphenol may be ob- tained by the action of tin and ...
Página 18
... obtained ? Here is an arrangement for obtaining the gas rather more convenient for lecture purposes than the one we employed before . It is exactly of the same character , only in this we have the marble in a separate vessel , and the ...
... obtained ? Here is an arrangement for obtaining the gas rather more convenient for lecture purposes than the one we employed before . It is exactly of the same character , only in this we have the marble in a separate vessel , and the ...
Página 22
... obtained gave , on evaporation , crystals of racemic acid , € 4H6O6 + H2O . The acid is formed according to the ... obtained , A. Geuther and E. Scheitz . - The transparent crystals which are obtained by dissolving sodium in absolute ...
... obtained gave , on evaporation , crystals of racemic acid , € 4H6O6 + H2O . The acid is formed according to the ... obtained , A. Geuther and E. Scheitz . - The transparent crystals which are obtained by dissolving sodium in absolute ...
Página 33
... obtained by treating with chlorine the gas di - methyl obtained by electrolysis , and that from this substance ethyl alcohol was prepared . In continuation of that paper I beg to lay before the Society the results of the examination of ...
... obtained by treating with chlorine the gas di - methyl obtained by electrolysis , and that from this substance ethyl alcohol was prepared . In continuation of that paper I beg to lay before the Society the results of the examination of ...
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acetic acetic acid action alcohol alkali ammonia amount analysis apparatus appears atomic becomes boiling bottle burning carbonic acid carbonic gas cent charcoal chemical Chemistry chemists chloric acid chloride coal colour combustion composition compounds containing copper coumarin crystallisation crystals decomposed decomposition dilute dissolved distillation electric ether experiments Faraday filter flame flask fluid furnace fuses gases give glass grammes graphite grms heat hydrochloric acid hydrogen hydrogenium ignition insoluble iodide iron lecture light lime liquid manufacture marble means mercury metal method mineral mixture nitrate nitric acid nitrogen observed obtained ordinary organic matter oxalic oxide oxidised oxygen palladium paper phosphate phosphorus platinum potash potassa potassium powder precipitate present produced Professor quantity Royal salt silicate silver Society soda sodium soluble solution specific gravity spectrum steel substance sugar sulphate sulphide sulphuric acid temperature tion titanic acid tube vapour vessel weight wire zinc zircons
Pasajes populares
Página 12 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Página 286 - Edition, for the most part re-written, with all the recent Discoveries incorporated, by W.
Página 28 - SOUND : a Course of Eight Lectures delivered at the Royal Institution of Great Britain. By JOHN TYNDALL, LL.DFRS New Edition, crown 8vo.
Página 30 - If the place which the LORD thy God hath chosen to put his name there be too far from thee, then thou shalt kill of thy herd and of thy flock, which the LORD hath given thee, as I have commanded thee, and thou shalt eat in thy gates whatsoever thy soul lusteth after.
Página 31 - It thundered, and an oak was struck -with lightning on that part of Mount Palatine called Summa Velia, early in the afternoon. A fray happened in a tavern at the lower end of the / Banker's * Street, in which the keeper of the hog in armour tavern, was dangerously wounded.
Página 7 - Stevenson, president, in the chair. The minutes of the previous meeting having been read and confirmed, Mr.
Página 14 - ... the earth undergoes, owing to the fall of the water, gives rise to motion, which afterwards disappears again, calling forth unceasingly a great quantity of heat; and inversely, the steamengine serves to decompose heat again into motion or the raising of weights. A locomotive engine with its train may be compared to a distilling apparatus ; the heat applied under the boiler passes off as motion, and this is deposited again as heat at the axles of the wheels.
Página 23 - Act, to any person unknown to the seller, unless introduced by some person known to the seller ; and on every sale of...
Página 168 - I have been perfectly enchanted with the sight which my spectroscope has revealed to me. The solar and atmospheric spectra being hidden, and the image of the wide slit alone being visible, the telescope or slit is moved slowly, and the strange shadow-forms flit past.
Página 12 - Heat is a very brisk agitation of the insensible parts of the object, which produces in us that sensation, from whence we denominate the object hot ; so what in our sensation is heat, in the object is nothing but motion.