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Other poisonous preparations are red precipitate, white precipitate, mercuric nitrate, the cyanide and potassio-mercuric iodide. Calomel has very little toxic action. Metallic mercury is not poisonous, but its vapour is. It is soluble in sixteen parts of cold and two of boiling water. Soluble in alcohol and ether, the latter also separating it from its solution in water. Symptoms come on rapidly.
A second liquid is formed by dissolving 60 grams of cyanide of potassium in 80 grams of distilled waters; the two liquids are mixed together in a decanter and stirred for 20 minutes, and then filtered.
They used to pooh-pooh the idea of the alchemists that gold had medicinal virtue. Their fine scorn does not now prevent them from using alternate doses of the salts and of the filings of this metal. They use concentrated arseniate of gold against anemia, muriate against syphilis, cyanide against amenorrhea and scrofula, and chloride of sodium and gold against old ulcers.
A little farther on Carlyle's hatred of political economy, in which Froude fully shared, breaks out with amusing vigour. "If," wrote the younger historian, "the tendency of trade to assume a form of mere self-interest be irresistible," etc. "And is it?" comments the elder. "Let us all get prussic acid, then." A recent speculator preferred cyanide of potassium.
He then reluctantly gave a permit for the export of a thousand tons of cyanide; and its arrival in the United States permitted many mines there and in Mexico to continue operations, and saved many persons from being thrown out of employment.
"The point is not well taken, Captain, and even if it were," he stirred his coffee thoughtfully, "Miss Whitney did not need to enter her father's workshop to secure the cyanide of potassium; I find she buys all his photographic supplies at a shop not far from here, and recently purchased a new supply of cyanide."
More than a century ago a chemist discovered that if gold was put into water containing a little cyanide, the gold would dissolve, while quartz and any metals that might be united with the gold would settle in the tank.
I need not enter into the details of a hundred devices that I employed to circumvent this 'loup-garou'; there was no combination of strychnine, arsenic, cyanide, or prussic acid, that I did not essay; there was no manner of flesh that I did not try as bait; but morning after morning, as I rode forth to learn the result, I found that all my efforts had been useless.
On the evening of the day that Thurston=20 eft, after presumably telling Miss Lytton about what Kerr & Kimmel had discovered, Miss Lytton is found dying with a bottle containing cyanide and sublimate beside her. You are all familiar with the circumstances and with the note discovered in the jar of ammonia. Now, if the prosecutor will be so kind as to let me see that note thank you, sir.
Fine concentrators, worked with cyanide solution, perform three operations at once, namely, first, the catching of the free gold grains; second, the production of a rich concentrate of minerals having gold in association and intended for smelting; and, third, the dissolving of the finest particles by the continual action of the chemical.
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