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Updated: June 20, 2025
It has strong refracting powers and an agreeable aromatic smell. It is very poisonous when taken internally; its sulphate is, however, sometimes used medicinally. It is by the action upon aniline of certain oxidising agents, that the various colouring matters so well known as aniline dyes are obtained. Commercial aniline oil is not, as we have seen, the purest form of rectified aniline.
In this process the powdered ore is allowed to fall in a shower from a considerable height, through the centre of a vertical shaft up which a flame ascends; the powdered ore in falling through the flame is heated to an oxidising temperature, and the sulphides are thus depleted of their sulphur and become oxides.
Well, then, a hundred parts of ore and a hundred parts of sulphuret of lead, with about fifty parts of metallic lead, being all mingled together in a crucible, the sulphur of the sulphuret takes the iron, the copper, and some of the other metals and impurities, and combines with them to form a slag; and as it goes on boiling and oxidising, it carries off the iron, and so a great cleansing takes place.
Even when the stone under treatment contains no deleterious compounds the simple action of grinding the hard siliceous particles has a bad effect on the quicksilver, causing it to separate into small globules, which either oxidising or becoming coated with the impurities contained in the ore will not reunite, but wash away in the slimes and take with them a percentage of the gold.
It knows so well and has done it so often that its power of self-analysis is gone. If it knew what it was doing, or was conscious of its own act in oxidising its blood after birth, I should suspect that it had not done it so often before; as it is I am confident that it must have done it more often- -much more often than any act which we perform consciously during our whole lives.
Towards the end, the particles of the brain begin to undergo the process of oxidation, and delirium, mania, and death close the scene; that is to say, all resistance to the oxidising power of the atmospheric oxygen ceases, and the chemical process of eremacausis, or decay, commences, in which every part of the body, the bones excepted, enters into combination with oxygen.
Provision is made for the introduction of separate supplies of air and gas into each cylinder; this enables the oxidising treatment to be controlled exactly as desired so as to effect the best results with all kinds of ore. Each cylinder is driven from its own independent gearing, and the speed of each cylinder can be varied at will.
It may be as well to mention here that all the interior decks, bulkheads, doors, staircases, machinery, and furniture of every kind, even to the boats, and the guns, firearms, and weapons of every description with which the ship was liberally provided, were, like her hull, constructed of aethereum, the most striking properties of which metal were its extraordinary lightness, toughness, hardness, strength, and its stubborn resistance to all tarnishing or oxidising influences.
They stopped at last in their favourite place beneath the elms, and stood with their hands in their pockets and their shoulders against the park-palings the patch that looked newish, but which was gradually growing grey under the influence of the weather that was oxidising the new nails and sending a ruddy stain through the wood.
Unlike mere deodorisers which simply remove noxious gases or odours; unlike disinfectants which prevent the spread of infection, carbolic acid strikes at the very root and origin of disease by oxidising and consuming the germs which breed it.
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