Table 3.
Measured contact angles between distilled water on the graphite surface before and after modification with CTAC.
Sample No. | Left Contact Angle Value (°) | Right Contact Angle Value (°) | Mean Contact Angle (°) |
---|---|---|---|
1 | 80.50 | 80.00 | 80.25 |
2 | 72.50 | 72.00 | 72.25 |
3 | 66.00 | 65.50 | 65.75 |
4 | 55.00 | 57.00 | 56.00 |
5 | 36.50 | 37.50 | 37.00 |
6 | 50.00 | 59.50 | 59.75 |
7 | 56.50 | 56.00 | 56.25 |
8 | 62.50 | 59.00 | 60.75 |