Fig. 7 | Heritage Science

Fig. 7

From: The non-destructive investigation of a late antique knob bow fibula (Bügelknopffibel) from Kaiseraugst/CH using Muon Induced X-ray Emission (MIXE)

Fig. 7

Calibration curve for the brass and bronze CRMs: a Method 1: plot of intensity of the \(\mu\)-X rays of the different elements (Cu, Zn, Sn, and Pb), normalized with the number of muons vs. the at% of the elements; b Method 2: plot of the ratio of intensity of the \(\mu\)-X rays of the different elements (Zn, Sn, and Pb) and that of of Cu vs. the ratio of the at% of the elements with respect to Cu. The insets in (a) and (b) show the enlarged plots of the corresponding figures in order to emphasize the Sn and Pb data points

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