The Chemist: A Monthly Journal of Chemical Philosophy, 1. köide1850 |
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Page 4
... Oxide of lead .. 40.0 60.0 100.0 Equivalent Weight of Chloroginate Acid . C14 H8 . 07 .. 84 8 56 148 ammoniacal and aqueous vapors , and still more generally in the essential oils , that the more or less complex causes of odors reside ...
... Oxide of lead .. 40.0 60.0 100.0 Equivalent Weight of Chloroginate Acid . C14 H8 . 07 .. 84 8 56 148 ammoniacal and aqueous vapors , and still more generally in the essential oils , that the more or less complex causes of odors reside ...
Page 8
... oxide of copper dissolves less easily in ethylamine than in methylamine . Chloride of platinum is not precipitated by ethylamine . When a solution of ethylamine is mixed with oxalic ether , the mixture very soon be- comes turbid ...
... oxide of copper dissolves less easily in ethylamine than in methylamine . Chloride of platinum is not precipitated by ethylamine . When a solution of ethylamine is mixed with oxalic ether , the mixture very soon be- comes turbid ...
Page 10
... oxide of iron predominates in them , and that it is to that mineral that their color is owing . I therefore commenced by separating the oxide of iron by means of the magnet : 3 grammes gave 1 · 79gr . of oxide of iron , or 59.82 per ...
... oxide of iron predominates in them , and that it is to that mineral that their color is owing . I therefore commenced by separating the oxide of iron by means of the magnet : 3 grammes gave 1 · 79gr . of oxide of iron , or 59.82 per ...
Page 11
... Oxide of Iron obtained by the magnet 59.82 Titaniferous oxide of iron , specular iron , with a trace of oxide of man- ganese .... Zircon Hyaline quartz Corindon Gold * 16.32 The difference which exists in the size and form of the grains ...
... Oxide of Iron obtained by the magnet 59.82 Titaniferous oxide of iron , specular iron , with a trace of oxide of man- ganese .... Zircon Hyaline quartz Corindon Gold * 16.32 The difference which exists in the size and form of the grains ...
Page 12
... oxide of iron obtained exactly ... ...... Titaniferous oxide of iron and specu- 34.35 lar iron 15.00 Zircon 20.00 Quartz 25.00 Corindon 1:00 Rock of a grayish yellow , opaque , probably quartz , iron pyrites and gold 4.65 100.00 Among ...
... oxide of iron obtained exactly ... ...... Titaniferous oxide of iron and specu- 34.35 lar iron 15.00 Zircon 20.00 Quartz 25.00 Corindon 1:00 Rock of a grayish yellow , opaque , probably quartz , iron pyrites and gold 4.65 100.00 Among ...
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Common terms and phrases
acetate action albumen alcohol alkali alloy alumina ammonia analysis animal appears baryta battery bodies boiling carbonate of lime carbonic acid cent charcoal chemical chemists chloride chloride of sodium chloroform chromic acid color combination composition compound contained copper crystallised crystals decomposed decomposition disengagement dissolved distilled dried effects eggs electricity employed ether evaporation experiments extract fatty matter filtered fused give glass gold grammes heat humus hydrochloric acid hydrogen insoluble iodine liquid liquor magnesia manufacture manure means ment metallic mineral mixed mixture nitrate nitric acid nitrogen obtained odor operation oxide oxide of iron oxygen phosphate phosphoric acid plants platinum portion potassa potassium precipitate prepared present produced proportion quinquina residue salt santonine silica silver small quantity soda soluble solution starch substances sugar sulphate sulphuret sulphuric acid surface tained temperature tion tube vegetable vessel washed whilst yellow zinc
Popular passages
Page 356 - ... view of this vast collection will produce upon the spectator will be that of deep thankfulness to the Almighty for the blessings which he has bestowed upon us already here below, and the second, the conviction that they can only be realized in proportion to the help which we are prepared to render to each other, therefore only by peace, love and ready assistance not only between individuals but between the Nations of the Earth.
Page 356 - The products of all quarters of the globe are placed at our disposal, and we have only to choose which is the best and the cheapest for our purposes, and the powers of production are entrusted to the stimulus of competition and capital.
Page 77 - ... put the mucky liquid to stand, so that they may, after it has rested for a day or two, skim the fluid from the solid particles of filth, pollution, and disease.
Page 347 - ... and liberates the oxygen in its gaseous state to sustain the healthy functions of the animal life, at the same time that it feeds on the rejected matter which has fulfilled its purposes in the nourishment of the fish and snail, and preserves the water constantly in a clean and healthy condition.
Page 321 - When one pound of lean beef, free of fat, and separated from the bones, in the finely chopped state in which it is used for beef sausages or mincemeat, is uniformly mixed with its own weight of cold water, slowly heated to boiling, and the...
Page 356 - ... we are living at a period of most wonderful transition, which tends rapidly to the accomplishment of that great end to which, indeed, all history points — the realization of the unity of mankind.
Page 356 - Not a unity which breaks down the limits, and levels the peculiar characteristics of the different nations of the earth, but rather a unity the result and product of those very national varieties and antagonistic qualities. The distances which separated the different nations and parts of the globe are...
Page 356 - Whilst formerly the greatest mental energies strove at universal knowledge, and that knowledge was confined to the few, now they are directed on specialities, and in these, again, even to the minutest points...
Page 204 - It was further shown that chemical decompositions may be produced by liquid diffusion ; the constituents of a double salt of so much stability as common alum being separated, and the sulphate of potash diffusing in the largest proportion. In fact the diffusive force is one of great energy, and quite as capable of breaking up compounds as the unequal volatility of their constituents.
Page 71 - ... at a high temperature, and recasting several times to give a great many tints, varying from blue to pink, red, opaque yellow, and green. Charcoal in excess in a mixture of silica-alkaline glass gives a yellow colour, which is not so bright as the yellow from silver, — and this yellow colour may be turned to a dark red by a second fire. The author is disposed to refer these chromatic changes to some modifications of the composing particles rather than to any chemical changes in the materials...