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Updated: June 1, 2025
This renders the situation more simple as any carbonate, hydrate or oxide of lime will accomplish these purposes. Composition. The first consideration is the actual content of calcium and magnesium. A guaranteed analysis is the only safe basis of purchase.
When cinchonine is distilled with solid potassium hydrate, it yields pyrrol and bases of both the pyridine and quinoline series. Cinchonidine, when heated with potassium hydrate, yields quinoline also, and with nitric acid the same products as cinchonine. Strychnine has been found to be a tertiary amine. When distilled with potassium hydrate, quinoline is formed.
He held up a vial of chloral hydrate, but his fingers were too weak and nerveless to draw the cork. This Jees Uck did for him, while he was plunged into another convulsion. As he came out of it he found the open bottle proffered him, and looked into the great black eyes of the woman and read what men have always read in the Mate-woman's eyes.
The slowness with which air-slaking proceeds gives reason to expect that any bulk of old lime may contain a considerable percentage of the hydrate, and therefore have greater strength than a true carbonate like limestone. This is a consideration of value to a buyer. Agricultural Lime.
E. B. Voorhees, in "First Principles of Agriculture," says: "Gas lime is also frequently used as manure; in gas works, quicklime is used for removing the impurities from the gas. Gas lime, therefore, varies considerably in composition, and consists really of a mixture of slaked lime, or calcium hydrate, and carbonate of lime, together with sulfites and sulfides of lime.
Gray speaks of a man who took 22 grains and was not seen for about an hour. He had vomited some of it immediately after taking the dose, and was successfully treated with chloral hydrate. A curious case is mentioned in which three mustard plasters, one on the throat, one on the back of the neck, and another on the left shoulder of a woman, produced symptoms similar to strychnin poisoning.
He and Dr Kirk at once told him that the disease was most difficult to cure, and that he might rest assured he had not been bewitched. They applied lunar caustic externally and hydrate of potash internally, with satisfactory results; so that in the course of a short time the poor chief's appearance greatly improved.
A series of positive tubes were filled with the two materials in different proportions say, nine parts hydrate to one of flake; eight parts hydrate to two of flake; seven parts hydrate to three of flake, and so on through varying proportions. Three sets of each of these positives were made, and all put into separate test tubes with a uniform type of negative element.
Around the room, on shelves, are hundreds of bottles each containing a small quantity of nickel hydrate made in as many different ways, each labelled correspondingly. Always at hand will be found one or two of the laboratory note-books, with frequent entries or comments in the handwriting which once seen is never forgotten.
At the time of this writing these specimens consist largely of sections of positive elements of the storage battery, together with many samples of nickel hydrate, to which Edison devotes deep study. Close at hand is a microscope which is in frequent use by him in these investigations.
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