XRD BET Granulometer
Sample (0.8 mm balls) Slope (1/ε) Diameter (ε) μm BET surface area (m2/g) Diameter (μm) Granulometer average diameter (μm)
5 min 0.016 0.0625 8.839 0.17 0.57
10 min 0.014 0.0714 10.666 0.14 0.36
20 min 0.014 0.0714 13.396 0.11 *
30 min 0.016 0.0625 15.667 0.10 *
40 min 0.015 0.0666 17.671 0.09 *
Sample (0.4 mm balls) Slope (1/ε) Diameter (ε) μm BET surface area (m2/g) Diameter (μm) Granulometer average diameter(μm)
5 min 0.0127 0.0786 8.3650 0.18 0.20
10 min 0.0151 0.0662 10.234 0.15 0.10
20 min 0.0154 0.0649 12.446 0.12 0.15
30 min 0.0211 0.0473 16.254 0.09 0.14
40 min 0.0194 0.0515 15.849 0.10 0.08
*The average Granulometric diameter for the 20, 30 and 40 min samples was not mentioned because aggregates were formed at 20 min and hence, the granulometric results would not be longer valid
Table 5: Table of comparison of particles’ diameter by three different analysis techniques (XRD, BET& Granulometer).