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Updated: May 16, 2025
It decomposes and pulverises every change and every phenomenon, until it finds the invariable element in them. It is immobility which it esteems as primary, fundamental, intelligible of itself; and motion, on the contrary, which it seeks to explain as a function of immobility. And so it tends, out of progresses and transitions, to make things. To see distinctly, it appears to need a dead halt.
The inventor undoes, decomposes, breaks up in thought, or makes of experience a tool, an instrument, a machine, an agency for building anew with the débris. The practical imagination is no more foreign to inspiration than the esthetic imagination.
Ptomaines, or animal poisons, form easily in flesh foods. These are very dangerous, and it is not safe to eat tainted flesh, even after it is cooked. Fish decomposes quickly and fish poisoning is probably even more severe than meat poisoning.
Moreover, although it remains true that there is an inverse relation between the green plant in sunshine and the animal, in so far as, under these circumstances, the green plant decomposes carbonic acid and exhales oxygen, while the animal absorbs oxygen and exhales carbonic acid; yet, the exact researches of the modern chemical investigators of the physiological processes of plants have clearly demonstrated the fallacy of attempting to draw any general distinction between animals and vegetables on this ground.
Thus the hypothesis will be removed from all discussion of a chemical order, since it will have been made plastic enough beforehand to adapt itself to all the known facts; and if we object that sodium cannot subsist in water because it instantaneously decomposes the latter, the answer is simply that the sodium ion does not decompose water as does ordinary sodium.
Bromide of Silver May be formed by pouring an alkaline bromide into a solution of nitrate of silver, in the shape of a white, slightly yellowish precipitate, which is insoluble in water and nitric acid, but readily dissolves in ammonia and the alkaline hyposulphites. Chlorine easily decomposes bromide of silver, and transforms it into chloride.
Examine and burn a piece of magnesium ribbon, noting the white compound of magnesium oxide which is formed. Iron. Examine pieces of the metal and also some of its compounds, as ferrous sulphate, ferric chloride, and ferric oxide or iron rust. Sodium. Drop a piece of the metal on water and observe results. Sodium decomposes water.
When boiled with baryta water, sinapine decomposes into sinapic acid, C H O , and choline, C H NO , the latter a well-known constituent of the bile, and produced also in the decomposition of the lecithin of the brain and yolk of egg. Cocaine, the alkaloid of coca leaves, is decomposed by heating with hydrochloric acid into methyl alcohol, benzoic acid, and a crystalline base, ecgonine, C H NO .
The mother-liquor containing bromides is treated with a current of chlorine gas, which decomposes these salts, setting the bromine free, which at once colors the liquid to a reddish brown color. Ether is added and shaken with the liquid, until all the bromine is taken up by the ether, which acquires a fine red color and separates from the saline liquid.
Thus it is not really necessary to use basic aluminium sulphate for mordanting wool, since the latter itself decomposes the normal or neutral sulphate of alumina on heating, an insoluble basic sulphate being precipitated in the fibres of the wool. The presence of other added substances, as cream of tartar, etc.
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