Table 4.
Viscosity (poise) and flow rates (mL/sec) of ZnO suspensions prepared at different concentrations of Aloe weloensis mucilage, acacia, and NaCMC at room temperature.
Suspending agent | Concentration (%, w/v) | Flow rate | Viscosity |
---|---|---|---|
NaCMC | 1 | 0.18 | 1.32 |
2 | 0.12 | 1.47 | |
4 | — | 1.62 | |
| |||
Acacia | 1 | 1.25 | 0.81 |
2 | 0.66 | 0.91 | |
4 | 0.4 | 0.95 | |
| |||
Aloe weloensis mucilage | 1 | 0.66 | 0.79 |
2 | 0.4 | 0.84 | |
4 | 0.2 | 0.96 |
—The suspension prepared from this suspending agent is too viscous that it cannot flow from the pipette.