Chemical News and Journal of Industrial Science, Volúmenes33-34Chemical news office., 1877 |
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Página 3
... proportion of alkali ( not quite 5 per cent ) we obtain a still acid menstruum which is itself extremely soluble in water . Phosphoric acid , on the other hand , is , before the blowpipe , the most powerful unmixed solvent in the world ...
... proportion of alkali ( not quite 5 per cent ) we obtain a still acid menstruum which is itself extremely soluble in water . Phosphoric acid , on the other hand , is , before the blowpipe , the most powerful unmixed solvent in the world ...
Página 5
... proportion of the solar rays . But the lens of one instrument may not stop the same proportion as that of another instrument . This , however , is no objection if it be borne in mind that the instrument is a differential one . In ...
... proportion of the solar rays . But the lens of one instrument may not stop the same proportion as that of another instrument . This , however , is no objection if it be borne in mind that the instrument is a differential one . In ...
Página 6
... proportion of carbonic acid ranged from 3 volumes in 1000 to 0'57 , with a general average of 118. The greatest ... proportions of alcohol , in one case as much as 59 per cent . CORRESPONDENCE . SAMPLING OF MILK FOR ANALYSIS . To the ...
... proportion of carbonic acid ranged from 3 volumes in 1000 to 0'57 , with a general average of 118. The greatest ... proportions of alcohol , in one case as much as 59 per cent . CORRESPONDENCE . SAMPLING OF MILK FOR ANALYSIS . To the ...
Página 7
... proportion of fat which takes place in large vessels from which milk is being dipped out for sale both by retail and wholesale ; and having had several experiments made in which milk has been dipped in successive quantities out of the ...
... proportion of fat which takes place in large vessels from which milk is being dipped out for sale both by retail and wholesale ; and having had several experiments made in which milk has been dipped in successive quantities out of the ...
Página 13
... proportion to the growing con- sumption we see increasing quantities of ice stored up every winter . An extensive system of transportation has been arranged for conveying ice from the more northern and colder parts of the earth to ...
... proportion to the growing con- sumption we see increasing quantities of ice stored up every winter . An extensive system of transportation has been arranged for conveying ice from the more northern and colder parts of the earth to ...
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acetic acetic acid action alcohol alizarin alkali alumina ammonia ammonium amount analysis aniline aniline-black anthracen apparatus atomic bilirubin biliverdin blue body boiling bromine calcium carbonic acid caustic cent Chemical Society chemistry chemists chlorate chloride colour compounds condensation containing copper crystallisation cyanide cyanogen decomposed decomposition dilute dissolved distilled dyeing electric employed ether evaporation examination experiments filter furnace gases give glass grms heat hydrate hydrochloric acid hydrogen Improvements inches insoluble iodine iron kilos light lime liquid litre London manganese manufacture matter means mercury metal meteorites method mineral mixture nitrate nitric acid nitrogen observed obtained oxide oxidised oxygen paper patent phosphate platinum potash potassium precipitate present produced Prof quantity radiometer reaction researches residue Royal salt sample selenium silver soda sodium soluble solution substance sugar sulphate sulphide sulphuric acid temperature tion tube vanadium vapour whilst yellow yield zinc
Pasajes populares
Página 131 - ... ultra-red, and the minimum in the ultra-violet. Taking the maximum at 100, the following are the mechanical values of the different colours of the spectrum : — Ultra-red 100 Extreme red 85...
Página 228 - ... an error. He also considered that in a lake of so complicated a form as that of Geneva observations would be required at at least ten different points, and a complete solution of such a case would be analogous to the study of magnetic intensity in the manner suggested by Gauss. NOTICES OF BOOKS. Science made Easy : A Series of Familiar Lectures on the Elements of Scientific Knowledge most required in Daily bife.
Página 265 - TATE in the Chair. The following Candidates were elected Members of the Society : — Horatio Waddington, Esq., late Fellow of Trinity College, Cambridge.
Página 87 - A DICTIONARY of CHEMISTRY and the Allied Branches of other Sciences. By HENRY WATTS, FRS assisted by eminent Contributors.
Página 1 - Royal will and pleasure, that no resolution, or bye-law, shall on any account or pretence whatsoever be made by the said body politic and corporate in opposition to the general scope, true intent, and meaning of this our Charter, or the laws or statutes of our Realm...
Página 29 - FRS, president, in the chair. — The following candidates were elected members of the Society : — Mr.
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 121 - The variations in the luminosity of a " standard " candle will cease to be of importance. Any candle may be taken ; and if it be placed at such a distance from the apparatus that it will give a uniform deflection, say of 100 divisions, the standard can be reproduced at any subsequent time ; and the burning of the candle may be tested during the photometric experiments by taking the deflection it causes from time to time, and altering its distance, if needed, to keep the deflection at 100 divisions.
Página 104 - President, in the Chair. AFTER the minutes of the previous meeting had been read and confirmed, and the names of the visitors announced, the following names were read for the first time : — Messrs.
Página 81 - ... limits what it can ; a still more watery one will make the brain dropsical, and produce all the conditions of mechanical pressure on the brain. All these processes are the necessary consequences of the affinities of the phosphorised substances, and, these being known, the phenomena could be predicted, if they were not sufficiently known as phenomena, though hitherto destitute of an explanation. Thus the so-called brain-fungus, the continued protrusion of brain-matter through apertures of the...