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Figure 6
Uncorrected Ca-Kα and Pb-L fluorescence maps for the tablet in Fig. 5[link]. Ca is expected to be roughly uniformly distributed within the tablet, but the Ca fluorescence intensity shows large variations, especially in incised regions, due to variations in surface orientation. The same effect complicates the interpretation of the map for Pb, a trace element whose concentration might be expected to correlate with incision. Scan taken with detector angle α = 45°, stage angle θ0 = 0°, beam energy Ei = 17.0 keV, beam size 300 µm and step size 250 µm.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 6| October 2014| Pages 1358-1363
doi:10.1107/S160057751401875X
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