Chemical News and Journal of Industrial Science, Bände 13-14Chemical news office., 1866 |
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
acetic acetic acid acetylene action alcohol alkaline alumina amalgam ammonia animal apparatus appears atoms of hydrogen bodies boiling point bromine calcium carbonate of lime carbonic acid cent chemical chemistry chemists chloride coal colour combination combustion composition compounds containing copper crystallised crystals decomposed deposit dilute disinfection dissolved distillation dolomite elements employed ether ethyl ethylene experiments exposed fact formation formula furnaces give glass grains gun-cotton heat hydrate hydrocarbons hydrochloric acid hydrogen Improvements iodide iron lecture light liquid magnesia magnesium manganese manufacture matter ments mercury metal mineral mixture molecule nitrate nitric acid nitrogen observed obtained organic oxide oxidising oxygen ozone paper peroxide phosphorus potash potassium precipitate present produced Professor quantity quinine radical reaction salt silicate silicium silver Society soda sodium soluble solution specific gravity specimens substance sulphate sulphide sulphuric acid temperature theory tion tube vapour zinc
Beliebte Passagen
Seite 222 - Committee of the House of Commons, appointed to inquire into the Bankrupt Laws ; and i This and the two preceding motions were lost by large majorities.
Seite 22 - However unwillingly a person who has a strong opinion may admit the possibility that his opinion may be false, he ought to be moved by the consideration that however true it may be, if it is not fully, frequently, and fearlessly discussed, it will be held as a dead dogma, not a living truth.
Seite 4 - Ibs. of carbon ; a quantity which amounts to more than the weight of all the plants, and of all the strata of mineral and brown coal, which exist upon the earth. This carbon is, therefore, more than adequate to all the purposes for which it is required.
Seite 284 - There's not the smallest orb which thou beholdest But in his motion like an angel sings, Still quiring to the young-eyed cherubins. Such harmony is in immortal souls : But whilst this muddy vesture of decay Doth grossly close it in, we cannot hear it.
Seite 293 - In the ordinary process of photometry the standard used is a candle, defined by Act of Parliament as a " sperm of six to the pound, burning at the rate of 120 grains per hour.
Seite 139 - Dissolve one part of caustic soda in ten parts of warm water, and shake it up with five parts of the carbolic acid. As before, the residue will indicate the amount of impurity. These tests are not...
Seite 241 - ... of a means of producing dynamic electricity in quantities unattainable by any apparatus hitherto constructed. He has found that an indefinitely small amount of magnetism, or of dynamic electricity, is capable of inducing an indefinitely large amount of magnetism, — and again, that an indefinitely small amount of dynamic electricity, or of magnetism, is capable of evolving an indefinitely large amount of dynamic electricity.
Seite 266 - ... shake the bottle at intervals for half an hour, when the amount of oily residue will show the impurity. Or, dissolve one part of caustic soda in ten parts of warm water, and snake it up with five parts of the carbolic acid. As before, the residue will indicate the amount of impurity.
Seite 241 - ... its free delivery ; 15° below zero is easily produced by this apparatus. The bottle, when not in use, should be kept tightly corked, a precaution by no means superfluous, as the liquid readily loses its more volatile parts by evaporation, leaving a denser and consequently less efficient residue. In this, and in several more expensive forms of apparatus in metal, both with...
Seite 30 - Whether clays are fertile or barren ? 6. Whether or not clays are usefully burnt and used in that state as manure ? 7. Whether or not land will be improved by liming ? 8. Whether it is better to apply lime, or marl, or clay on a particular soil ? 9. Whether special manures, such as superphosphate or ammoniacal salts, can be used (of course discreetly) without permanently injuring the land, or whether the farmer should rather...