Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 115
... hydrochloric acid as before . The residue weighed 3.87 grains , and , oxidised by chlorate of potash and hydrochloric acid , gave , on precipitation by ammonia and sulphate of magnesia 2.82 grains 2MgO , NH , O , AsO 59 но 183 ASS ...
... hydrochloric acid as before . The residue weighed 3.87 grains , and , oxidised by chlorate of potash and hydrochloric acid , gave , on precipitation by ammonia and sulphate of magnesia 2.82 grains 2MgO , NH , O , AsO 59 но 183 ASS ...
Strona 218
... hydrochloric acid , and then with pure ammonia . The silver is finally washed with absolutely pure water , heated to redness on a plate of pure silver , and immediately put into bottles with well - fitting stoppers . Having found that ...
... hydrochloric acid , and then with pure ammonia . The silver is finally washed with absolutely pure water , heated to redness on a plate of pure silver , and immediately put into bottles with well - fitting stoppers . Having found that ...
Strona 229
... hydrochloric acid gas into the globe without allowing it to cool , and always keeping it in the inclined position . Dark red vapours are immediately formed , which soon give place to pure gaseous hydrochloric acid . I then evaporate it ...
... hydrochloric acid gas into the globe without allowing it to cool , and always keeping it in the inclined position . Dark red vapours are immediately formed , which soon give place to pure gaseous hydrochloric acid . I then evaporate it ...
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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