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. Author manuscript; available in PMC: 2011 Jun 14.
Published in final edited form as: Bioanalysis. 2010 Mar;2(3):469–485. doi: 10.4155/bio.10.14

Figure 7. The main plot shows the measured 14C concentrations versus time of measurements over a year’s period for a ‘hot’ international comparison material.

Figure 7

The measurements have a standard deviation of 2.8% and are well represented by a Gaussian distribution function with a 2.6% width.