Abstract
An oxidation method for removing radon from air with liquid bromine trifluoride was tested with samples of ambient air containing 0·098–0·189 pCi/1 of 222Rn. Ninety-five % of the radon was removed in a two-stage gas-scrubbing unit (20 ml liquid volume) at a flow rate of 130 ml/min, and smaller percentages were removed at higher flow rates (minimum of 76% at 640 ml/min). The possibility of purifying air in uranium mines with bromine trifluoride and other oxidants is discussed.
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