Formulation Code | 2% NaCl | 2% H2SO4 | 2% Na2CO3 | Distilled Water |
TiO2 | 3 | 3 | 1 | 0 |
OBC-TC2 | 2 | 1 | 1 | 0 |
OBC-TC4 | 1 | 0 | 0 | 0 |
OBC-TC6 | 1 | 0 | 0 | 0 |
IHC-TC2 | 1 | 0 | 0 | 0 |
IHC-TC4 | 1 | 0 | 0 | 0 |
IHC-TC6 | 1 | 0 | 0 | 0 |