Chemical News and Journal of Industrial Science, Volumen33Chemical news office, 1876 |
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Página 5
... prepared by boiling a solution of copper sulphate with sugar and an excess of caustic potash . As the cuprous oxide ( Cu2O ) obtained in the form of a red powder is soluble in ammonia and absorbs readily free oxygen , it is proposed to ...
... prepared by boiling a solution of copper sulphate with sugar and an excess of caustic potash . As the cuprous oxide ( Cu2O ) obtained in the form of a red powder is soluble in ammonia and absorbs readily free oxygen , it is proposed to ...
Página 7
... preparation of a comparison liquid from one - half of the solution to be examined . It would appear that the usefulness of colorimetry , and also of judgment by turbidity , which may be provisionally termed " nephelometry , " might be ...
... preparation of a comparison liquid from one - half of the solution to be examined . It would appear that the usefulness of colorimetry , and also of judgment by turbidity , which may be provisionally termed " nephelometry , " might be ...
Página 12
... prepare a fresh standard , as must be done in Nesslerising . It is only necessary to add another measured quantity to the ... prepared and sold for this purpose in quantity under the names ' Golden Hair Water ' and ' Auricome . ' In my ...
... prepare a fresh standard , as must be done in Nesslerising . It is only necessary to add another measured quantity to the ... prepared and sold for this purpose in quantity under the names ' Golden Hair Water ' and ' Auricome . ' In my ...
Página 13
... prepared mono - chlor - aniline -- aniline , that is , in which one atom of hydrogen was replaced by chlorine . This body was a base , like aniline itself . Hofmann established its basic character by the preparation of many of its salts ...
... prepared mono - chlor - aniline -- aniline , that is , in which one atom of hydrogen was replaced by chlorine . This body was a base , like aniline itself . Hofmann established its basic character by the preparation of many of its salts ...
Página 25
... preparing ice - creams , for which a temperature of about 12 ° is required . As the essential point here is the congelation of water and the other substances present may be neglected , as far , at least , as their specific and latent ...
... preparing ice - creams , for which a temperature of about 12 ° is required . As the essential point here is the congelation of water and the other substances present may be neglected , as far , at least , as their specific and latent ...
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Términos y frases comunes
acetic 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 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 Patents 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 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.