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Figure 5
Black: XRF spectrum on a region of the coin without silvering. Red: XRF spectrum on a region of the coin with silvering. Note the coexistence of Hg and Ag emission at the coin surface and brass (Cu + Zn) from the underlying tundish. The y-axis is logarithmic, the curves are vertically shifted for easing the comparison.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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