| Concentration (g/L) | RH/(cm/min) | θ | I% |
| Blank | 0.0346 | - | - |
| 0.5 | 0.0278 | 0.196 | 19.7 |
| 1.0 | 0.0191 | 0.447 | 44.8 |
| 2.5 | 0.0118 | 0.658 | 65.9 |
| 4.0 | 0.0091 | 0.736 | 73.7 |
| 5.0 | 0.0073 | 0.789 | 78.9 |
| 7.5 | 0.0047 | 0.864 | 86.4 |
| 10.0 | 0.0044 | 0.872 | 87.3 |