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. 2022 Mar 11;94(11):4584–4593. doi: 10.1021/acs.analchem.1c04255

Table 1. Summary of the Experimental Design and the XFM Parameters for Each Experiment.

  upstream station downstream station
  sample description size of scanned area (mm) pixel size (μm × μm) transit time per pixel (msec) total time (min) sample description size of scanned area (mm) pixel size (μm x μm) transit time per pixel (msec) total time (min)
experiment 1 identification of optimal DGT DGTs #1 to #6 in two runs 522 × 88 1000 × 1000 20 16 - - - - -
experiment 2 region of interest search of thin sections - - - - - mineral RB 9B 57 × 13 50 × 50 3.3 20
          wheat grains 43 × 6 20 × 20 2.0 22
experiment 3 effect of the tandem mode on the resolution test pattern small region of DGTs #1 to #6 (see description in the text) 10 × 10 100 × 100 5.0 2 test pattern 0.09 × 0.13 0.5 × 0.5 2.5 2
experiment 4 effect of the tandem mode on a high elemental concentration sample small region of DGTs #1 to #6 (see description in the text) 60 × 40 100 × 100 5.0 25 small region of mineral sample RB 9B 2.8 × 1.8 1.0 × 1.0 0.3 30
experiment 5 effect of the tandem mode on a low elemental concentration sample DGT #5 (see description in the text) 141 × 78 100 × 100 2.0 45 one longitudinally sectioned wheat grain 7.0 × 2.9 2.0 × 2.0 0.4 35