THE compression of fluorine into nickel and steel cylinders at 100 pounds per square inch has been accomplished by the liquefaction-pressure distillation method.To prevent icing conditions during the liquefaction, the hydrogen fluoride content of the electrolytic fluorine was reduced below 0.5 volume per cent. This was accomplished by a combination of refrigeration at -70°C. and absorption at 100c C. with sodium fluoride. The efficiency of removal of hydrogen fluoride from fluorine by both methods was studied.Extensive investigation of the IN ORDER to provide facilities for transporting fluorine, it was necessary to develop methods for purifying the gas as produced electrolytically, techniques for compressing it, and tests for selecting cylinders that could be approved by the Interstate Commerce Commission for shipment via common carrier.
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