Fig. 111: Concentration maps of various elements, resolution 3 µm, 100 x 100 steps. Mn maps obtained at 1) E = 6.564 keV for Mn IV+, 2) E = 6.55 keV for Mn II+ and 3) subtraction map of Mn IV+. Map 4 is a visible light microgram, 2 µm resolution.