Contamination and Fractionation Effects in AMS-Measured 14C/12C and 13C/12C Ratios of Small Samples
Issue Date
1998-01-01Keywords
sizeC 14 C 12
graphitization
isotope ratios
accelerator mass spectroscopy
mass spectroscopy
spectroscopy
chemical fractionation
sample preparation
C 14carbonisotopesradioactive isotopesC 13 C 12stable isotopesabsolute age
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Alderliesten, C., van der Borg, K., & De Jong, A. F. M. (1998). Contamination and fractionation effects in AMS-measured 14 C/12 C and 13 C/12 C ratios of small samples. Radiocarbon, 40(1), 215-221.Journal
RadiocarbonDescription
From the 16th International Radiocarbon Conference held in Gronigen, Netherlands, June 16-20, 1997.Additional Links
http://radiocarbon.webhost.uits.arizona.edu/Abstract
In AMS measurements on small (m is lesser than or equal to 400 micrograms) carbon samples, an m-dependence has been noted for the 14C/12C and 13C/12C ratios that is due to the combined effect of contamination and fractionation. A simple formalism is presented to describe the phenomena and to correct measurements on unknowns for their effect.Type
Proceedingstext