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The Chemical Preparation of AgCl for Measuring 36Cl in Polar Ice with Accelerator Mass Spectrometry

Published online by Cambridge University Press:  18 July 2016

N J Conard ,
David Elmore ,
P W Kubik ,
H E Gove ,
L E Tubbs ,
B A Chrunyk  and
Martin Wahlen
N J Conard
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627
David Elmore
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627
P W Kubik
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627
H E Gove
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627
L E Tubbs
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627 Department of Chemistry, Rochester Institute of Technology, Rochester, New York 14623
B A Chrunyk
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627 Department of Chemistry, Rochester Institute of Technology, Rochester, New York 14623
Martin Wahlen
Affiliation:
Nuclear Structure Research Laboratory, University of Rochester Rochester, New York 14627 New York State Department of Health, Albany, New York 12201
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Abstract

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A method of chemical separation and purification of chloride from relatively small samples (500 to 2100g) of glacial ice is presented. With this procedure the first successful measurements of pre-bomb levels of 36Cl in Greenland ice have been made. Emphasis is placed on methods of reducing sulfur, which causes interference in the accelerator mass spectrometry, and in maximizing the yield. Data regarding the selection of materials for sample holders and the use of metal powders for extending the lifetime of the sample are also presented.

Type
IV. Methods and Applications
Information
Radiocarbon , Volume 28 , Issue 2A , 1986 , pp. 556 - 560
Copyright
Copyright © The American Journal of Science 

References

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