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Birmingham University Radiocarbon Dates VII

Published online by Cambridge University Press:  18 July 2016

F. W. Shotton
Affiliation:
The University of Birmingham, Birmingham, England
R. E. G. Williams
Affiliation:
The University of Birmingham, Birmingham, England
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The following list of dates contains all measurements made during 1972, i.e., since our last list. Counting equipment, operating procedures and sample pretreatment are the same as previously described (R., 1969, v. 11, p. 263). Age calculations are based on 95% activity of the NBS oxalic acid standard computed from the Libby half-life of 5570 ± 30 yr. Background samples are synthesized from Welsh anthracite. Errors quoted refer only to the standard deviation (1σ) calculated from a statistical analysis of sample, background and standard count rates.

Type
Research Article
Copyright
Copyright © The American Journal of Science 

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