Chemical News and Journal of Industrial Science, Volúmenes33-34Chemical news office., 1877 |
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Página 12
... metal ) , which interfered materially with the results . If an acid must be added , When working with 50 c.c. of liquid , so small a quan- tity as 0.5 m.grm . of copper , or I m.grm . of lead per litre , may be estimated by this process ...
... metal ) , which interfered materially with the results . If an acid must be added , When working with 50 c.c. of liquid , so small a quan- tity as 0.5 m.grm . of copper , or I m.grm . of lead per litre , may be estimated by this process ...
Página 14
... metal in all its bearings . " The ground of this assertion is , that this iodide of tetrethyl - ammonium , when treated with freshly precipitated oxide of silver , is decomposed with the formation of an oxide of the " organic metal ...
... metal in all its bearings . " The ground of this assertion is , that this iodide of tetrethyl - ammonium , when treated with freshly precipitated oxide of silver , is decomposed with the formation of an oxide of the " organic metal ...
Página 18
... metal but the excess of this gas forms protoxide of copper , which dissolves in the metal , and renders it brittle . The refining of copper , like that of glass , is therefore completed by making use of wood , which decomposes the oxide ...
... metal but the excess of this gas forms protoxide of copper , which dissolves in the metal , and renders it brittle . The refining of copper , like that of glass , is therefore completed by making use of wood , which decomposes the oxide ...
Página 23
... metal held in the hand . Again , while the An experiment was made with the apparatus figured in electricity . All the parts are insulated except the gas fixture . A is the battery ; B , a common telegraphic key ; C , an electro - magnet ...
... metal held in the hand . Again , while the An experiment was made with the apparatus figured in electricity . All the parts are insulated except the gas fixture . A is the battery ; B , a common telegraphic key ; C , an electro - magnet ...
Página 29
... metals may be divided into five classes , which , for any particular metal , depend on the amount of heat applied . They also show that in passing from the liquid to the most perfect gaseous state , vapours are composed of molecules of ...
... metals may be divided into five classes , which , for any particular metal , depend on the amount of heat applied . They also show that in passing from the liquid to the most perfect gaseous state , vapours are composed of molecules of ...
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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...