Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 361
... pure substance to be determined and the impure are to be weighed off , one against the other , and are then to be measured with the same fluid ; then the cubic centimètres used for the pure substance represent 100 per cent , and the ...
... pure substance to be determined and the impure are to be weighed off , one against the other , and are then to be measured with the same fluid ; then the cubic centimètres used for the pure substance represent 100 per cent , and the ...
Strona 295
... Pure Ammonia and Carbonic Acid upon Pure Chloride of Calcium . — I have had recourse to this mode of preparation in order to obtain at the same time a certain quantity of pure carbonate of lime . Some beautiful white marble was dissolved in ...
... Pure Ammonia and Carbonic Acid upon Pure Chloride of Calcium . — I have had recourse to this mode of preparation in order to obtain at the same time a certain quantity of pure carbonate of lime . Some beautiful white marble was dissolved in ...
Strona 307
... pure cyanide of potassium until it The lead obtained by the first operation is heated a presents at the bottom of the cyanide a surface as convex and brilliant as pure mercury . When it is somewhat Synthesis of Nitrate and Sulphate of ...
... pure cyanide of potassium until it The lead obtained by the first operation is heated a presents at the bottom of the cyanide a surface as convex and brilliant as pure mercury . When it is somewhat Synthesis of Nitrate and Sulphate of ...
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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