Table 2. Points of Zero Charge of Support Materials from the Dependence of pH as a Function of Solid Content within a Slurry of Support and DI H2O.
material | point of zero charge (pH) |
---|---|
TiO2 | 3.5 |
SiO2 | 5.4 |
La2O3 | 8.9 |
Al2O3 | 6.7 |
carbon | 4.2 |
BN | 7.4 |