Chemical News and Journal of Industrial Science, Volumen33Chemical news office, 1876 |
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Página 3
... oxygen being set at liberty . For the following experi- ments dilute colour - solutions were used - namely , syrup of violets , tincture of litmus , extract of peach - wood , and extract of logwood . The results were as follows : - Time ...
... oxygen being set at liberty . For the following experi- ments dilute colour - solutions were used - namely , syrup of violets , tincture of litmus , extract of peach - wood , and extract of logwood . The results were as follows : - Time ...
Página 4
... oxygen : 1000 grms . of the liquid would therefore contain 86 of available oxygen , or 18'3 of peroxide of hydrogen . As may be imagined , however , in case of an easily decom- posable body , the bottles do not all contain solutions of ...
... oxygen : 1000 grms . of the liquid would therefore contain 86 of available oxygen , or 18'3 of peroxide of hydrogen . As may be imagined , however , in case of an easily decom- posable body , the bottles do not all contain solutions of ...
Página 5
... oxygen . Pyrogallic acid must be very carefully preserved , an account of the great avidity of this substance for oxygen , whilst cupious oxide may be easily conserved in a dry state and when necessary dissolved in ammonia . A solution ...
... oxygen . Pyrogallic acid must be very carefully preserved , an account of the great avidity of this substance for oxygen , whilst cupious oxide may be easily conserved in a dry state and when necessary dissolved in ammonia . A solution ...
Página 10
... Oxygen 515 .. The equivalent of water fixed in this substance resists desiccation . The substance , for which the author pro- poses the name hydro - cellulose , is characterised by its extreme friability . Constitution of the ...
... Oxygen 515 .. The equivalent of water fixed in this substance resists desiccation . The substance , for which the author pro- poses the name hydro - cellulose , is characterised by its extreme friability . Constitution of the ...
Página 12
... oxygen ( 3 to 6 per cent by weight of H2O2 ) . The weaker solution , which is said to keep for months without change , is sold at 8s . per kilo . , in larger quantities at 6s . The stronger solution is sold at double the price . The ...
... oxygen ( 3 to 6 per cent by weight of H2O2 ) . The weaker solution , which is said to keep for months without change , is sold at 8s . per kilo . , in larger quantities at 6s . The stronger solution is sold at double the price . 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
Pasajes populares
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Página 60 - President, in the Chair. THE minutes of the previous meeting having been read and confirmed, the presents of books made to the Society were announced, and the donors thanked ; after which Messrs.
Página 212 - It has therefore become necessary, in order to give an opportunity to the Committees of doing justice to the several communications, that each Author should prepare an Abstract of his Memoir, of a length suitable for insertion in the published Transactions of the Association, and that he should send it, together with the original Memoir, by book-post, on or before August 1 1, addressed thus : — " General Secretaries, British Association, 22 Albemarle Street, London, W.
Página 131 - Ultra-violet 5 A comparison of these figures is a sufficient proof that the mechanical action of radiation is as much a function of the luminous rays as it is of the dark heat-rays.
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...
Página 29 - Gladstone, FRS, president, in the chair. — The following candidates were elected members of the Society : — Mr.
Página 136 - TATE in the Chair. The following Candidates were elected Members of the Society : — Horatio Waddington, Esq., late Fellow of Trinity College, Cambridge.
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.