Prof Christopher Ramsey: Publications

Hybrid ion sources: Radiocarbon measurements from microgram to milligram

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms Elsevier BV 123:1-4 (1997) 539-545

Authors:

C Bronk Ramsey, REM Hedges

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Radiocarbon dates from the Oxford AMS System: Archaeometry datelist 23

Archaeometry 39:1 (1997) 247-262

Authors:

REM Hedges, PB Pettitt, CB Ramsey, GJ Van Klinken

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Radiocarbon dates from the Oxford AMS system: Archaeometry datelist 24

Archaeometry 39:2 (1997) 445-471

Authors:

REM Hedges, PB Pettitt, C Bronk Ramsey, GJ Van Klinken

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An Independent Chronology for British Bronze Age Metalwork: The Results of the Oxford Radiocarbon Accelerator Programme

Archaeological Journal Taylor & Francis 154:1 (1997) 55-107

Authors:

Stuart Needham, Christopher Bronk Ramsey, David Coombs, Caroline Cartwright, Paul Pettitt

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An Experiment to Refute the Likelihood of Cellulose Carboxylation

Radiocarbon Cambridge University Press (CUP) 40:1 (1997) 59-60

Authors:

REM Hedges, Christopher Bronk Ramsey, G-J Van Klinken

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 14C 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.

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Prof Christopher Ramsey

Research theme

Sub department

Hybrid ion sources: Radiocarbon measurements from microgram to milligram

Authors:

Radiocarbon dates from the Oxford AMS System: Archaeometry datelist 23

Authors:

Radiocarbon dates from the Oxford AMS system: Archaeometry datelist 24

Authors:

An Independent Chronology for British Bronze Age Metalwork: The Results of the Oxford Radiocarbon Accelerator Programme

Authors:

An Experiment to Refute the Likelihood of Cellulose Carboxylation

Authors:

Abstract:

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