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Simon Fraser University Radiocarbon Dates III

Published online by Cambridge University Press:  18 July 2016

K A Hobson  and
D E Nelson
K A Hobson
Affiliation:
Archaeology Department, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
D E Nelson
Affiliation:
Archaeology Department, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
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This list reports measurements made on archaeologic and geologic samples by our laboratory from June 1982 to December 1983. Results of measurements made during that period which lack review by submitters will be reported in a subsequent date list. Sample preparation techniques and benzene synthesis remain as described previously (R, 1982, v 24, p 344–351). For low organic samples, such as sediments, we now use a combustion tube assembly. These samples are burned under oxygen flow in a quartz tube. To absorb sulfur and break up nitrous compounds, we pass combustion gases through a 50% mixture of MnO2 and CuO wire heated to ca 500°C. The gas is then bubbled through a distilled water and KMnO4 solution to remove chlorides before being introduced into our standard dry ice and CO2 traps.

Type
Date Lists
Information
Radiocarbon , Volume 26 , Issue 3 , 1984 , pp. 431 - 440
Copyright
Copyright © The American Journal of Science

References

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