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Copenhagen Radiocarbon Dates VII

Published online by Cambridge University Press:  18 July 2016

Henrik Tauber*
Affiliation:
Carbon-14 Dating Laboratory, Department of Natural Sciences, National Museum, Copenhagen
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The following list comprises a selected number of measurements made up to November, 1965. Age calculations are based on a contemporary value equal to 95% of the activity of the NBS oxalic-acid standard, and on a half life for C14 of 5570 yr. Results are reported in years before 1950, and in the A.D./B.C. scale. Errors quoted include the standard deviations of the count rates for the unknown sample, the contemporary value, and the background. Because possible errors arising from isotopic fractionation in the plants, or from the de Vries effect, have not been included, calculated errors smaller than 100 yr have been increased by rounding to that figure as a minimum.

Type
Research Article
Copyright
Copyright © The American Journal of Science 

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