a Lead, beam energy 20 keV, showing correct identification of the Pb L-family and PbMα,β, but misidentification of PbMζ as WM and PbM2N4 as CdL [16–18]. b NIST glass K230 with Pb as a major constituent, beam energy 20 keV; the Pb M-family is misidentified as SK and TcL, while the Pb L-family is ignored [16–18]