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Data reduction scheme for the method of chemically specific imaging. See text for details. E1 and E2 indicate energies of 12661.2 and 12667.5 eV, respectively, for the collection of images. The four fluorescence images have the same scale, the unit of which is proportional to counts divided by I0. The same units are used for the scatter image. Obs., observed; Corr., corrected; Conc., concentration.
