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Is Comparability of 14C Dates an Issue?: A Status Report on the Fourth International Radiocarbon Intercomparison

  • C Bryant (a1), I Carmi (a2), G T Cook (a3), S Gulliksen (a4), D D Harkness (a5), J Heinemeier (a6), E McGee (a7), P Naysmith (a3), G Possnert (a8), E M Scott (a5), J van der Plicht (a9) and M van Strydonck (a10)...

Abstract

For more than 15 years, the radiocarbon community has participated in a series of laboratory intercomparisons in response to the issue of comparability of measurements as perceived within the wider user communities (Scott et al. 1990; Rozanski et al. 1992; Gulliksen and Scott 1995; Scott et al. 1997). In this report, we provide an update on the current 14C laboratory intercomparison and reflect on future issues linked to the laboratory intercomparison program, not least those resulting from a significant growth in the number of accelerator mass spectrometry (AMS) facilities providing routine dating of small samples (milligram size).

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Copyright

Corresponding author

Corresponding author. Email: marian@stats.gla.ac.uk.

References

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Scott, EM, Aitchison, TC, Harkness, DD, Cook, GT, Baxter, MS. 1990. An overview of all three stages of the international radiocarbon intercomparison. Radiocarbon 32(2):303–19.
Rozanski, K, Stichler, W, Gonfiantini, R, Scott, E M, Beukens, R P, Kromer, B, van der Plicht, J. 1992. The IAEA 14C intercomparison exercise 1990. Radiocarbon 34(3):506–19.
Gulliksen, S, Scott, EM. 1995. TIRI report. Radiocarbon 37(2):820–1.
Scott, EM, Harkness, DD, Cook, GT. 1997. Analytical protocol and quality assurance for 14C analyses: proposal for a further intercomparison. Radiocarbon 39(3): 347–51.

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