JDR -- Gbureck et al. 83 (5): 425 Figure 2

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Figure 2. Scanning electron micrographs of ncTTCP cement microstructures after 24 hrs of setting with a 2.5% Na₂HPO₄ solution at a powder-to-liquid ratio of 2 g/mL; (a) two-hour-ground ncTTCP, (b) 24-hour-ground ncTTCP, and (c) particle size distributions of the unground, two-hour-, and 24-hour-ground materials.