Fig. 3: X-ray fluorescence spectra in the energy range of 12.0–17.0 keV, covering the peaks of Rb and Sr, obtained with Beam 1 (40 kV).
The spectra are vertically offset to enhance visual clarity.
Fig. 3: X-ray fluorescence spectra in the energy range of 12.0–17.0 keV, covering the peaks of Rb and Sr, obtained with Beam 1 (40 kV). | npj Heritage Science
