An experiment to refute the likelihood of cellulose carboxylation

Hedges, R. E. M.; Ramsey, C. B.; Van Klinken, G.-J.

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An experiment to refute the likelihood of cellulose carboxylation

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

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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.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-CB71-1

Abstract

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]