Table 3 The CaCO3 crystallite size and S/N ratios (average ± SD, replicated 3 times)
From: Use of Taguchi method for high energy ball milling of CaCO3
Experiment number | Average crystallite size, nm | S/N ratio, dB |
|---|---|---|
1 | 504 ± 51 | − 54.05 |
2 | 300 ± 46 | − 49.58 |
3 | 185 ± 25 | − 45.33 |
4 | 215 ± 13 | − 46.64 |
5 | 139 ± 36 | − 42.84 |
6 | 199 ± 27 | − 45.97 |
7 | 287 ± 31 | − 49.41 |
8 | 260 ± 47 | − 48.30 |
9 | 230 ± 35 | − 47.23 |