Abstract
THE determination of radioactive krypton in the atmosphere, as carried out by the Radiological Sciences Laboratory, New York State Department of Health (private communication from N. Irving Sax), involves extraction and concentration of krypton, then injection of this into a vial containing chips of a scintillation counter plastic, such as p-terphenyl in polyvinyltoluene commercially available from Pilot Chemicals, Massachusetts. By scintillation counting, this procedure measures extremely low levels of the β emitter, 10.76 yr krypton-85.
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NORTON, F. Krypton Diffusion in Scintillation Counter Plastic. Nature 218, 165 (1968). https://doi.org/10.1038/218165a0
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DOI: https://doi.org/10.1038/218165a0
