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An experiment to refute the likelihood of cellulose carboxylation

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons62592

Van Klinken,  G.-J.
Service Facility 14C Lab, Dr. Geert van Klinken, Max Planck Institute for Biogeochemistry, Max Planck Society;

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Zitation

Hedges, R. E. M., Ramsey, C. B., & Van Klinken, G.-J. (1998). An experiment to refute the likelihood of cellulose carboxylation. Radiocarbon, 40(1), 59-60.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-CB71-1
Zusammenfassung
To test the hypothesis that cellulose in linen can be carboxylated at high temperatures in the presence of CO2, water and silver, we heated two aliquots of cellulose extracted from old wood in glass ampoules, adding Ag powder to one to test its potential action as a catalyst for the carboxylation reaction. AMS measurement of the heated aliquots showed no statistically significant difference in C-14 content from the ''uncarboxylated'' cellulose. we conclude that carboxylation is not a systematic source of error in the dating of cellulose-containing materials such as the linen in the Shroud of Turin. [References: 3]