Pennsylvania Salt Manufacturing

In 1900, the Pennsylvania Salt Manufacturing Co. initiated large-scale production in the United States. The Midland Chemical Co., a subsidiary of The Dow Chemical Company, began to manufacture chloroform by reducing carbon tetrachloride in 1903. Chloroform was one of the first organic chemicals produced on a large scale in the United States. 

Besides companies specifically mentioned in the text, the authors are indebted for donations of materials to the American Cyanamid Company, the Geigy Company, and the Pennsylvania Salt Manufacturing Company. They also wish to express indebtedness to W. E. Baier, of the California Fruit Growers Exchange, for arranging to process the DDT-treated lemons and oranges, and to M. Elliot Miller and R. C. Blinn of these laboratories for most of the analytical work.. 

Pennwalt Formerly called Pennsalt. A process for making calcium hypochlorite by passing chlorine into an aqueous suspension of calcium hypochlorite and calcium hydroxide. Developed by the Pennsylvania Salt Manufacturing Corporation in 1948. 

Pennsylvania Salt Manufacturing Company, Wyndmoor, Pennsylvania. 

Pennsylvania Salt Manufacturing Co. Radio Corp. of America Reichhold Chemicals, Inc. 

But why cryolite Why would these two young men, one a metallurgist in Europe, the other a chemist in North America, choose a mineral from Greenland with which to experiment The answer may be related to an 1850 connection between the Pennsylvania Salt Manufacturing Co. in the U.S., and the Kryolith Co. of Denmark, to a process invented by Julius Thomsen of that company ( ), and to the earlier discovery of cryolite on Danish soil in Greenland. The Kryolith Co. used Thomsen s process to... 

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