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...Nitric Acid. Chemists Guy B. Taylor and T. A. Chilton of E. I. duPont de Nemours & Co. urged U. S. manufacturers to speed their adoption of the European method of making nitric acid? from ammonia, one pound of which will replace five pounds of Chilean nitrate...

Author: /time Magazine | Title: Science: Chemists (Cont'd) | 8/1/1927 | See Source »

...bastard metal" element, brittle, reddish white, mined in the free state in Saxony, Bohemia, Cornwall. Bolivia. Its best known use is as bismuth subnitrate, a therapeutic for dyspepsia and diarrhea. Taken internally with water the white powder slowly forms nitric acid, a powerful antiseptic. Its physical properties make it astringent, good for nausea...

Author: /time Magazine | Title: Science: Bismuth | 1/17/1927 | See Source »

Rayon was invented some forty years ago by a Frenchman, the Count de Chardonnet, who manufactured a lustrous fibre by treating cotton linters with nitric acid, and pressing the resulting nitrocellulose through small dies into a coagulating solution. Subsequently, wood pulp was employed as well as cotton linters as raw material, and other important improvements effected in the process. At first, rayon was known as "artificial silk," but so swiftly has its output increased that its trade name of rayon is now thoroughly established...

Author: /time Magazine | Title: Business: Rayon | 6/29/1925 | See Source »

...complaint that things can't be run on air is thoroughly exploded. Chemists have for years been making some most important compounds out of the raw material of air. "Free" oxygen and nitrogen in the air, for instance, can be "fixed" by a gigantic electric arc into nitric oxide, from which nitric acid and nitrates (valuable fertilizers) are made...

Author: /time Magazine | Title: Science: Catalysis | 3/10/1924 | See Source »

...purified, mixed in proper proportions, compressed, and heated to 1,300 degrees F., are passed over the uranium, the resulting gas contains from 4% to 8% of ammonia, which can be condensed to a liquid, used in refrigeration, etc., or further transformed by the Ostwald process (another catalytic), into nitric acid. The Haber process was the industrial and agricultural mainstay of Germany in the War. Shut off from her tremendous imports of fertilizers and explosives, her biggest dye-works, the Badische Anilin und Soda-Fabrik, remodeled its plant to manufacture fixed nitrogen and nitrates, and the Central Empires became chemically...

Author: /time Magazine | Title: Science: Catalysis | 3/10/1924 | See Source »

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