Chemical News and Journal of Industrial Science, Volumen33Chemical news office, 1876 |
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Página 2
... substance are but imperfectly understood , and still present a wide field for investigation . Vitreous selenium is , we should say at the outset , apparently an absolute non - conductor of electricity . We have been un- able to obtain ...
... substance are but imperfectly understood , and still present a wide field for investigation . Vitreous selenium is , we should say at the outset , apparently an absolute non - conductor of electricity . We have been un- able to obtain ...
Página 4
... substance in solution , and effects its pur- pose completely , though slowly , within four to six days , thus strikingly illustrating the great efficacy of peroxide of hydrogen . The name of the perfumer who understands how to speculate ...
... substance in solution , and effects its pur- pose completely , though slowly , within four to six days , thus strikingly illustrating the great efficacy of peroxide of hydrogen . The name of the perfumer who understands how to speculate ...
Página 5
... substance for oxygen , whilst cupious oxide may be easily conserved in a dry state and when necessary dissolved in ammonia . A solution of cuprous oxide in ammonia absorbing oxygen gas turns blue , owing to the formation of cupric oxide ...
... substance for oxygen , whilst cupious oxide may be easily conserved in a dry state and when necessary dissolved in ammonia . A solution of cuprous oxide in ammonia absorbing oxygen gas turns blue , owing to the formation of cupric oxide ...
Página 7
... substance sought , the compara- tive lengths of the columns will correspond with the pro- portions of standard solution added to each , or in the case supposed will be represented by the fraction n = ; but , if the original solution did ...
... substance sought , the compara- tive lengths of the columns will correspond with the pro- portions of standard solution added to each , or in the case supposed will be represented by the fraction n = ; but , if the original solution did ...
Página 10
... substance resists desiccation . The substance , for which the author pro- poses the name hydro - cellulose , is characterised by its extreme friability . Constitution of the Albumenoids . - M . P. Schützen- berger . The author finds ...
... substance resists desiccation . The substance , for which the author pro- poses the name hydro - cellulose , is characterised by its extreme friability . Constitution of the Albumenoids . - M . P. Schützen- berger . The author finds ...
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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
Pasajes populares
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Página 241 - Trade may by licence under the hand of one of the secretaries or assistant secretaries, direct such association to be registered with limited liability, without the addition of the word limited...
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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.