Sample | pH | Ultrasound/min | Ti/P |
A | 5 | 0 | 1.05 |
B | 5 | 10 | 1.09 |
C | 7 | 0 | 0.94 |
D | 7 | 10 | 0.98 |
E | 9 | 0 | 1.18 |
F | 9 | 10 | 1.17 |