Figure 1 | Scientific Reports

Figure 1

From: Localization and Speciation of Chromium in Coptis chinensis Franch. using Synchrotron Radiation X-ray Technology and Laser Ablation ICP-MS

Figure 1

μ-XRF elemental maps for Cr, Ca, Fe, Mn, and Zn. Element distributions are shown in root (A) and rhizome (B) cross-sections of C. chinensis Franch. (the Cr10d group). The upper left images show the photographs of roots and rhizomes, the left image is the scanned sample cross-sections (300-μm thick) of roots and rhizomes, and the right image is the thin cross-sections (20-μm thick) for indicating the tissue structure. Each elemental map indicates the relative distribution of a specific element, but the count scales vary among maps. The color scale (red to blue) denotes normalized XRF intensities (highest to lowest).

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