EDS Map Data Chart for macLispix K Ratio map calculations Parameter Value Beam keV 20 Beam nA 0.5 TOA deg 40 Dwell sec 0.5 Oxygen no Background Windows File Name Elm Maps Low ev High ev ra2bkg1 AlK 1000 1200 ra2bkg2 AlK 2000 2200 ra2bkg3 FeK 6000 6200 ra2bkg4 FeK NiK 7000 7200 ra2bkg5 NiK 8000 8200 Element Windows Standard Data File name Elem&line Low ev High ev Counts Cur nA Time sec Valence Ra2Al-k AlK 1420 1550 2060360 0.5 1000 3 Ra2Fe-k FeK 6310 6500 627467 0.5 1000 2 Ra2Ni-k NiK 7380 7580 468694 0.5 1000 2