Chemical News and Journal of Industrial Science, Volumen33Chemical news office, 1876 |
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Página 10
... sulphide , and escaped as sulphurous acid : - CaSO4 + 2S = 2SO2 + CaS . Solution of Platinum by Sulphuric Acid in the Process of Concentration . - M . A. Scheurer - Kestner.— Already noticed . Nitronaphthyl - Sulphurous Acids and their ...
... sulphide , and escaped as sulphurous acid : - CaSO4 + 2S = 2SO2 + CaS . Solution of Platinum by Sulphuric Acid in the Process of Concentration . - M . A. Scheurer - Kestner.— Already noticed . Nitronaphthyl - Sulphurous Acids and their ...
Página 15
... sulphide , which is derived from glauber salt which the peat contains . " Chemical Notes , " by M. M. PATTISON MUIR , F.R.S.E. , Assistant Lecturer on Chemistry , Owens College . I. On the Solubility of Potassium Perchlorate in Water ...
... sulphide , which is derived from glauber salt which the peat contains . " Chemical Notes , " by M. M. PATTISON MUIR , F.R.S.E. , Assistant Lecturer on Chemistry , Owens College . I. On the Solubility of Potassium Perchlorate in Water ...
Página 18
... sulphide is proved by the yellow colouration which the glass assumes , but which disappears afterwards from the ... sulphide of methyl ; of iodide of acetyl with sul- phide of methyl ; of bromide of cyanogen and sulphide of methyl ...
... sulphide is proved by the yellow colouration which the glass assumes , but which disappears afterwards from the ... sulphide of methyl ; of iodide of acetyl with sul- phide of methyl ; of bromide of cyanogen and sulphide of methyl ...
Página 36
... sulphides were , present in the fragment . ( 3. ) I now crushed another blue fragment with a drop of distilled water ... sulphide ( 2 ) , and also , perhaps , from the effervescence as sulphate ( I a . ) was there , and from ( 4 ) that ...
... sulphides were , present in the fragment . ( 3. ) I now crushed another blue fragment with a drop of distilled water ... sulphide ( 2 ) , and also , perhaps , from the effervescence as sulphate ( I a . ) was there , and from ( 4 ) that ...
Página 59
... sulphide of ammonium , when the arsenic or an- timony present will be converted into a sulphide , and dis- solved by the excess of the alkaline salt , leaving the silver sulphide undissolved , and adhering principally to the paper ; the ...
... sulphide of ammonium , when the arsenic or an- timony present will be converted into a sulphide , and dis- solved by the excess of the alkaline salt , leaving the silver sulphide undissolved , and adhering principally to the paper ; the ...
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Términos y frases comunes
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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Página 131 - The apparatus was fitted up in a room specially devoted to it, and was protected on all sides, except where the rays of light had to pass, with cotton-wool and large bottles of water. A heliostat reflected a beam of sunlight in a constant direction, and it was received on an appropriate arrangement of slit, lenses, prisms, &c., for projecting a pure spectrum.
Página 34 - JOSEPH GILLOTT'S STEEL PENS. Sold by all Dealers throughout the World, /Chemical Technology, or Chemistry in its *~/ Applications to the Arts and Manufactures. By THOMAS RICHARDSON and HENRY WATTS.