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Updated: June 18, 2025
"I need not say that in this we had a deep interest, amounting, in truth, to anxiety. It might not be salt after all. The water tasted salt that is true. But so, too, would water impregnated by the sulphate of magnesia or the sulphate of soda. When evaporated we might find one or other of these substances. "`What is the sulphate of magnesia, papa? inquired Frank.
When I first saw him he had reached a daily dose of twelve grains of sulphate of morphia, and on occasions of high excitement had increased his dose without exaggerating the sensible effect to nearly twenty. The twelve which formed his habitual per diem were divided into two equal doses, one taken immediately after rising, the other just about sundown.
Alkali: Leblanc Process. The manufacture of vitriol, as I have described it to you, is the first step in the Leblanc process. The production of salt-cake or crude sodium sulphate is carried out in two stages.
"An American scientist has just concluded a very interesting and suggestive experiment. He took a crushed sample of rich ore from Cripple Creek, which carried 1100 ozs. of gold per ton, and digested it in a very weak solution of sodium chloride and sulphate of iron, making the solution correspond as near as practicable to the waters found in Nature.
It consisted of 1,000 sap pine ties, which had been impregnated in the South, by the Boucherie process, with a mixture of sulphate of iron and sulphate of copper, under Hamar's patent. These ties were laid in the tunnel at New Hamburg, a trying exposure, and when examined, in 1882, several of them were still in the track.
Filter off the carbonate and wash it with hot water, testing the slightly acidified washings for sulphate and preserving any precipitates which appear in these tests. Acidify the filtrate with hydrochloric acid until just acid, bring to boiling, and slowly add hot barium chloride solution, as in the preceding determination. Add also any tests from the washings in which precipitates have appeared.
Iron is essentially the same everywhere and always; but the sulphate of iron is never the same as the carbonate of iron. Truth is invariable; but the Smithate of truth must always differ from the Brownate of truth. The wider the intellect, the larger and simpler the expressions in which its knowledge is embodied.
This formation is intersected by numerous metalliferous veins, running, though irregularly, N.W. and S.E., and generally at right angles to the many dikes. The veins consist of native silver, of muriate of silver, an amalgam of silver, cobalt, antimony, and arsenic, generally embedded in sulphate of barytes.
Nickel-plating is another extensive branch of the industry, the white nickel forming a cloak for metals more subject to corrosion. Nickel is found to deposit best from a solution of the double sulphate of nickel and ammonia. Aluminium, however, has not yet been successfully deposited by electricity.
If medication is needed, strychnin sulphate, 1/40, or 1/30 grain three times a day, acid the tincture of digitalis in from 5 to 10 drop doses twice a day will aid the heart to recover its tone. Such treatment, when soon applied to a slowly dilating and weakening heart, will establish at least a temporary cure and will greatly- prolong life.
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