Figure 4
A fit obtained through LCF analysis of the Pb L2-edge merged spectrum of the H samples, using Pb metal foil, PbCl2, PbSO4 and Pb3PO4 spectra as standard references [last three taken from Lanzirotti et al. (2014), extracted using the free online tool WebPlotDigitizer (Rohatgi, 2014)]. |