Chemical News and Journal of Industrial Science, Volúmenes19-20Chemical news office., 1869 |
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Página 6
... matter is 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 ...
... matter is 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 9
... matters is well known . The sulphate of alumina added does not bleach of itself , but it forms with the colouring matter of the wood a nearly colourless lake , which enables the brilliancy of the product to be heightened . On the 9th ...
... matters is well known . The sulphate of alumina added does not bleach of itself , but it forms with the colouring matter of the wood a nearly colourless lake , which enables the brilliancy of the product to be heightened . On the 9th ...
Página 42
... matter and naphthaline , and with a gravity approaching to ' 890 as compared with burning naphtha , which has been freed from all tarry matter , and has a gravity not exceeding 860 ; it is not to be expected that the crude will give off ...
... matter and naphthaline , and with a gravity approaching to ' 890 as compared with burning naphtha , which has been freed from all tarry matter , and has a gravity not exceeding 860 ; it is not to be expected that the crude will give off ...
Página 44
... matter which is developed in the steeping . This substance tints the fibre grey , and resists alkalies , as well as all ordinary chemical solvents . It may be isolated by M. Peligot's ammoniacal copper solution . While the pectic ...
... matter which is developed in the steeping . This substance tints the fibre grey , and resists alkalies , as well as all ordinary chemical solvents . It may be isolated by M. Peligot's ammoniacal copper solution . While the pectic ...
Página 45
... matter had been deposited upon the sides of the glass , and the particular spectrum was replaced by an ordinary one . It was thus shown that the urocyanine is soluble in alcohol only in the nascent state , and soon becomes in- soluble ...
... matter had been deposited upon the sides of the glass , and the particular spectrum was replaced by an ordinary one . It was thus shown that the urocyanine is soluble in alcohol only in the nascent state , and soon becomes in- soluble ...
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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
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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.