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Keywords:

  • catalyst preparation;
  • chemical imaging;
  • computed tomography;
  • heterogeneous catalysis;
  • X-ray diffraction
Thumbnail image of graphical abstract

Chemistry by color: The first dynamic study using X-ray diffraction computed tomography investigates the evolving chemistry and structural changes during the preparation of a millimeter-sized industrial hydrogenation catalyst body (see picture; time evolves from left to right, and different colors represent different phases). The method has potential for chemical imaging of materials within bulk objects undergoing physicochemical changes.