Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 322
... Nature , by Professor HELMHOLTZ , F.R.S. THE most important progress in natural philosophy by which the present century is distinguished , has been the discovery of a general law which embraces and rules all the various branches of ...
... Nature , by Professor HELMHOLTZ , F.R.S. THE most important progress in natural philosophy by which the present century is distinguished , has been the discovery of a general law which embraces and rules all the various branches of ...
Strona 8
... nature . In poetry and sculpture the ancients are still unsur- passed . What epic poem , as to originality , vigour , and freshness , can be compared to those of Homer ? We admire the genius of a Shakespeare , the searching eye with ...
... nature . In poetry and sculpture the ancients are still unsur- passed . What epic poem , as to originality , vigour , and freshness , can be compared to those of Homer ? We admire the genius of a Shakespeare , the searching eye with ...
Strona 260
... nature , which are alike only in this , that both are processes of oxidation , and that in both the presence of some powerful basic material is essential to determine the combination . In the one , ordinary oxygen and ammonia are , by ...
... nature , which are alike only in this , that both are processes of oxidation , and that in both the presence of some powerful basic material is essential to determine the combination . In the one , ordinary oxygen and ammonia are , by ...
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acetate action adulterated alcohol alkaline alloy ammonia amount analysis aniline apparatus appears arsenic atmosphere blue body boiling bromine burn candle carbonic acid cent chemical CHEMISTRY chemists chloric acid chloride colouring matter combination combustion compound containing copper crystallised crystals decomposed decomposition dilute dissolved distilled effect employed ether evaporated experiments fact ferrocyanide filter flame gases give grains green heat hydrochloric acid hydrogen ignited impurities insoluble iodide iodine iron lead light lime lines liquid magnesia means mercury metal method mineral mixed mixture nitrate nitric acid nitrogen observed obtained ordinary oxide oxygen paper passed phosphoric acid phosphorus platinum portion potash potassium precipitate prepared present produced pure quantity reaction salt samples silver sodium soluble solution specimens spectrum starch steel substance sugar sulphate sulphide sulphuretted sulphuric acid surface tellurium temperature tion tube vapour vessel weight yellow zinc