Research Article
Optimization of Milling Procedures for Synthesizing Nano-CaCO3 from Achatina fulica Shell through Mechanochemical Techniques
Table 2
Statistical data of the particle size of CaCO3 wet milled with ethylene glycol, ethanol, water, and methanol.
| Base count | E (nm) | ED (nm) | M (nm) | W (nm) |
| Count | 28 | 28 | 28 | 28 | Minimum | 13.48 | 11.56 | 12.57 | 24.29 | Maximum | 42.90 | 65.78 | 98.66 | 180.06 | Standard deviation | 8.17 | 14.17 | 27.17 | 35.74 | Variance | 66.82 | 200.80 | 738.35 | 1277.52 | Median | 25.65 | 31.53 | 46.07 | 54.97 | Mean | 25.39 | 32.63 | 51.97 | 63.68 |
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