Chemical News and Journal of Industrial Science, Volumen33Chemical news office, 1876 |
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Página 6
... samples of air in III school - rooms and sub- mitted them to analysis . The proportion of carbonic acid ranged from 3 ... sample left with me by the inspector , but also that left with the dealer , who is naturally anxious to know the ...
... samples of air in III school - rooms and sub- mitted them to analysis . The proportion of carbonic acid ranged from 3 ... sample left with me by the inspector , but also that left with the dealer , who is naturally anxious to know the ...
Página 7
... samples obtained as they used to be under the old Act , for each sample was then taken in a bottle to the analyst , and by him divided after having been thoroughly mixed by shaking , which can be done in a bottle but not in a jug ...
... samples obtained as they used to be under the old Act , for each sample was then taken in a bottle to the analyst , and by him divided after having been thoroughly mixed by shaking , which can be done in a bottle but not in a jug ...
Página 8
... sampling is extremely lax . It used to be no uncommon thing to sample parcels of fifty to a hundred casks or drums by merely drawing small portions from two or per- haps three at most . I have in fact known cases where , from the ...
... sampling is extremely lax . It used to be no uncommon thing to sample parcels of fifty to a hundred casks or drums by merely drawing small portions from two or per- haps three at most . I have in fact known cases where , from the ...
Página 9
... sample of CHEMICAL NOTICES FROM FOREIGN caustic soda , tested in Liverpool , was certified by a Liverpool chemist to contam 60 per cent of alkali . The " identical sample , " he says , tested in his laboratory was found to contain only ...
... sample of CHEMICAL NOTICES FROM FOREIGN caustic soda , tested in Liverpool , was certified by a Liverpool chemist to contam 60 per cent of alkali . The " identical sample , " he says , tested in his laboratory was found to contain only ...
Página 12
... sample of the latter analysed gave the following average composition : - Oxide of iron Manganese .. .. Silica Alumina Lost from ignition .. .. Per cent . 73'40 1'30 18.03 2.25 5'02 100'00 It is estimated that the new fields of iron ores ...
... sample of the latter analysed gave the following average composition : - Oxide of iron Manganese .. .. Silica Alumina Lost from ignition .. .. Per cent . 73'40 1'30 18.03 2.25 5'02 100'00 It is estimated that the new fields of iron ores ...
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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 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.