Chemical News and Journal of Industrial Science, Volumen33Chemical news office, 1876 |
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Página 5
... potassium ferro- cyanide ( K4FeCy6 ) a solution of a uranic salt yields a brown precipitate of uranium ferrocyanide . The preci- pitate obtained much resembles the precipitate of copper ferrocyanide , but may be distinguished by the ...
... potassium ferro- cyanide ( K4FeCy6 ) a solution of a uranic salt yields a brown precipitate of uranium ferrocyanide . The preci- pitate obtained much resembles the precipitate of copper ferrocyanide , but may be distinguished by the ...
Página 14
... potassium or sodium , " a true organic metal in all its bearings . " The ground of this assertion is , that this iodide of tetrethyl - ammonium , when treated with freshly precipitated oxide of silver , is decomposed with the formation ...
... potassium or sodium , " a true organic metal in all its bearings . " The ground of this assertion is , that this iodide of tetrethyl - ammonium , when treated with freshly precipitated oxide of silver , is decomposed with the formation ...
Página 15
... Potassium Perchlorate in Water . Having a small quantity of pure potassium perchlorate at my disposal , I thought it might be interesting to deter- mine the solubility of this salt in water at different tem- peratures . The apparatus ...
... Potassium Perchlorate in Water . Having a small quantity of pure potassium perchlorate at my disposal , I thought it might be interesting to deter- mine the solubility of this salt in water at different tem- peratures . The apparatus ...
Página 35
... potassium perchlorate with sulphuric or hydro- fluosilicic acid , concentrating by evaporation the solution obtained , and finally distilling it when the oily hydrate , HOZO4.2H2O , was obtained . 30 grms . of this acid were treated ...
... potassium perchlorate with sulphuric or hydro- fluosilicic acid , concentrating by evaporation the solution obtained , and finally distilling it when the oily hydrate , HOZO4.2H2O , was obtained . 30 grms . of this acid were treated ...
Página 39
... potassium dichromate and dilute sulphuric acid yielded hemipinic acid together with methylamine ; very similar results were obtained with other oxidising agents , from which it would appear probable that the formula for narceine is ...
... potassium dichromate and dilute sulphuric acid yielded hemipinic acid together with methylamine ; very similar results were obtained with other oxidising agents , from which it would appear probable that the formula for narceine is ...
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action alcohol alizarin alkali ammonia ammonium amount analysis aniline aniline-black anthracen apparatus bilirubin biliverdin blue body boiling bromine calcium carbonic acid caustic cent Chemical Society chemistry chemists chlorate chloride compound condensation containing cooling copper crystallisation cyanide cyanogen decomposed dilute dissolved distilled dyeing effect electricity employed ether evaporation examination experiments filtered furnace gases give glass grain graphite grms heat hydrate hydrochloric acid hydrogen Improvements insoluble Institution iodine iron kilos light lime liquid London machine manganese manufacture means mercury metal meteorites method mixture nitrate nitric acid nitrogen observed obtained oxide oxidised oxygen paper passed phosphate phosphoric acid platinum potash potassium precipitate present produced Prof proportion pure quantity reaction researches residue Royal salt sample selenium silver soda sodium soluble solution substance sugar sulphate sulphide sulphuric acid temperature tion tube vanadium vapour whilst yield zinc
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