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. Author manuscript; available in PMC: 2024 Oct 21.
Published in final edited form as: Anal Chem. 2017 Dec 1;89(24):13069–13073. doi: 10.1021/acs.analchem.7b04042

Figure 2.

Figure 2.

Example control plot. Results are presented as normalized coverage equivalents (k-eq) at the mean (data points) and standard deviation (error bars). The blue dotted line represents the consensus mean. The middle shaded region represents the 95% expanded uncertainty interval for the NIST-ILCE consensus mean estimate; the red dotted lines bound the 99% expanded uncertainty.