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Tallinn Radiocarbon Dates II

Published online by Cambridge University Press:  18 July 2016

J M Punning ,
T Kakum  and
R Rajamäe
J M Punning
Affiliation:
Institute of Geology, Academy of Sciences, Estonian SSR
T Kakum
Affiliation:
Institute of Geology, Academy of Sciences, Estonian SSR
R Rajamäe
Affiliation:
Institute of Geology, Academy of Sciences, Estonian SSR
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The following list includes samples dated in 1973. Benzene is used as the carrier of natural 14C activity as previously described (Punning et al, 1973). We used both 1-channel and 2-channel scintillation devices. The detector shield comprises 10cm lead. Around the detector we put 16 Geiger-Mueller type counters in anticoincidence circuit with output signals from detector. It decreased the average background ca 20 to 40%.

Type
Research Article
Information
Radiocarbon , Volume 16 , Issue 3 , 1974 , pp. 388 - 394
Copyright
Copyright © The American Journal of Science 

References

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