C14, Radio Carbon Dating, William's birch bark manuscript
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资源简介：
C14 analysis performed on Williams' birchbark manuscript by John Southon at the University of California as part of a collaboration for the Andrew W. Mellon funded Book and The Silk Roads project. Mary French and Bexx Caswell-Olson from the Northeast Document Conservation Center selected the sample for analysis. These samples were treated with acid-base-acid (1N HCl and 1N NaOH, 75°C) prior to combustion.
创建时间：
2021-01-01
