Abstract

Abstract An improved method is described for the extraction of 14C from biological samples, based on the wet oxidation techniques of Snyder and Trofymow6. Evolved 14CO2 is trapped in a 2M NaOH solution, and subsequently mixed in a scintillation cocktail for s counting. Recovery of 14C is consistent between batches, with an average recovery of 97.2% over fifteen standards. The technique described does not involve large capital expenditure and is relatively rapid.

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