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. Author manuscript; available in PMC: 2018 Jun 30.
Published in final edited form as: J Chromatogr A. 2017 May 4;1504:71–82. doi: 10.1016/j.chroma.2017.05.007

Fig. 8.

Fig. 8

xz-views of the reconstructed column beds highlighting larger voids. Green: Voids that can accommodate spheres with a size from 10 to 50% of the SEM-based PSD (1.56–1.85 µm), yellow: voids that can accommodate spheres with a size from 50 to 90% of the SEM-based PSD (1.86–2.27 µm), and red: voids that can accommodate spheres with a size of ≥90% of the SEM-based PSD (≥2.28 µm).