Table 3. Volume moment mean diameter D[4,3] from laser diffraction of ball-milled pyrite concentrate powder samples.
| Milling time (min) | Mean particle size D[4,3] (µm) |
|---|---|
| 0 | 129 (3) |
| 1 | 42 (3) |
| 2 | 10.5 (2) |
| 3 | 5.62 (14) |
| 5 | 3.83 (8) |
| 7 | 2.72 (11) |
| 10 | 2.19 (11) |
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