Grinding condition | |||||
---|---|---|---|---|---|
A | B | C | D | ||
Hunter value | L | 61.2±0.82 | 61.8±0.36c | 63.9±0.51b | 67.5±0.14a |
a | 13.4±0.55b | 14.7±0.24a | 12.6±0.14c | 13.1±0.11ab | |
b | 29.7±0.38c | 32.3±0.62b | 32.5±0.30b | 35.2±0.12a | |
ASTA value | 5.20±0.001c | 5.14±0.001c | 12.85±0.001b | 19.1±0.001a |