The radioactivity of atmospheric krypton in 1949-1950.


The chemical element krypton, whose principal source is the atmosphere, had a long-lived radioactive content, in the mid-1940s, of less than 5 dpm per liter of krypton. In the late 1940s, this content had risen to values in the range of 100 dpm per liter. It is now some hundred times higher than the late 1940 values. This radioactivity is the result of the… (More)


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@article{Turkevich1997TheRO, title={The radioactivity of atmospheric krypton in 1949-1950.}, author={Anthony L. Turkevich and L Winsberg and H Flotow and Robert Mcc Adams}, journal={Proceedings of the National Academy of Sciences of the United States of America}, year={1997}, volume={94 15}, pages={7807-10} }