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Smithsonian Institution Radiocarbon Meaurements III∗

Published online by Cambridge University Press:  18 July 2016

Austin Long and
James E. Mielke
Austin Long
Affiliation:
Radiation Biology Laboratory, Smithsonian Institution, Washington, D. C. 20560
James E. Mielke
Affiliation:
Radiation Biology Laboratory, Smithsonian Institution, Washington, D. C. 20560
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Most of these analyses were performed during 1965 with equipment and techniques previously employed at this laboratory. A cold (−40°C) charcoal trap stage was added to the CO2 purification to remove radon, which eliminates the lag time between CH4 preparation and counting (Long, 1965b).

Information

Type
Research Article
Information
Radiocarbon , Volume 8 , 1966, pp. 413 - 422
Copyright
Copyright © The American Journal of Science 

References

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