Word: nitric
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Dates: during 1910-1919
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Professor Richards then stated the need for America to take a leading part in the manufacture of many articles such as dyestuffs, the new varieties of steel, alkalis and acids--especially nitric acid--with their wide bearing on all processes. "We have already," he said, "made great studies in the last three years, but much remains to be done...
...research laboratories of the General Electric Company and the Du Pont Powder Company and many similar smaller laboratories show. This research has led to such results as the discovery of carborundum, the artificial production of indigo and caoutchouc, the development of the coal-tar industry, the electrical production of nitric acid from the air, and the practical synthesis of ammonia from its elements...