Carbon-14 age determination by proportional gas counting of carbon dioxide gas

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SR_1993-28-pdf
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Melhuish, W.H. 1993 Carbon-14 age determination by proportional gas counting of carbon dioxide gas. Lower Hutt: Institute of Geological & Nuclear Sciences Institute of Geological & Nuclear Sciences science report 93/28 20 p.


Abstract: In a previous report INS-R--387, the procedures used to determine the age of carbon containing substances by the method of carbon dioxide proportional gas counting since November 1987 were presented. However, in 1991 major changes in the equipment were begun and this report gives an outline of the new system and procedures for calculating the radiocarbon age. Some of the material in the original report has been included here with some expansion. Outdated terms have been removed or redefined. (auth)