Figure 3
From: Lead chromate detected as a source of atmospheric Pb and Cr (VI) pollution
STEM-EDS element map images of a Pb-containing particle in a dust dry deposition sample (NAD-7).
(a) HAADF STEM image after FIB (focused ion beam) sampling; (b) Merged EDS element map; (c~f) EDS element map images of Pb, Cr, O, and Ca. The Pb-Cr-O phase is predominant within the carbon matrix.
