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British Museum Natural Radiocarbon Measurements XXII

Published online by Cambridge University Press:  18 July 2016

Janet Ambers ,
Keith Matthews  and
Sheridan Bowman
Janet Ambers
Affiliation:
Research Laboratory, The British Museum, London WC1B 3DG, England
Keith Matthews
Affiliation:
Research Laboratory, The British Museum, London WC1B 3DG, England
Sheridan Bowman
Affiliation:
Research Laboratory, The British Museum, London WC1B 3DG, England
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The following list consists of dates, obtained by liquid scintillation counting of benzene, for archaeologic samples mostly measured between June 1987 and October 1989.

Charcoal and grain samples were pretreated with 1M HCl followed by washing in water and, where considered necessary, with dilute alkali for the removal of humic acids. Wood samples were treated either in the same way, or, where large enough, were reduced to cellulose by the action of chlorine dioxide produced in situ. All antler and bone samples were treated with cold dilute acid. The term ‘collagen’ is used throughout to mean the acid insoluble organic fraction produced by this treatment. Peat samples were treated with dilute acid and alkali to separate the humin and humic acid fractions, which were dated individually.

Type
Date Lists
Information
Radiocarbon , Volume 33 , Issue 1 , 1991 , pp. 51 - 68
Copyright
Copyright © The American Journal of Science 

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