Table 1 Properties of the test liquids with their capillary length and magnification used for an accurate contact angles measurement.
From: Contact Angle Measurement of Small Capillary Length Liquid in Super-repelled State
Name | Chemical Formula | Surface Tension (mN/m) | Density (kg/m3) | Capillary length (mm) | Lens Magnification |
|---|---|---|---|---|---|
Water | H2O | 72.8 | 997 | 2.73 | 2.50 (Ref.) |
[EMIM][BF4] | C6H11BF4N2 | 52.8 | 1294 | 2.04 | 3.34 |
Diiodomethane | CH2I2 | 50.8 | 3325 | 1.25 | N/A |
Ethylene glycol | C2H6O2 | 48.2 | 1113.5 | 2.10 | 3.25 |
Formic acid | CH2O2 | 38 | 1223 | 1.78 | 3.83 |
Toluene | C7H8 | 28.3 | 866.8 | 1.82 | 3.74 |
Acetone | C3H6O | 23.1 | 784.5 | 1.73 | 3.94 |
Methanol | CH4O | 22.5 | 791.4 | 1.70 | 4.00 |
2-Propanol | C3H8O | 21.2 | 780.9 | 1.66 | 4.01 |
Hexane | C6H14 | 18.4 | 660.6 | 1.68 | 4.05 |
Novec 7100 | C4F9OCH3 | 13.6 | 1520 | 0.96 | 7.14 |
FC-84 | C7F16 | 12 | 1730 | 0.84 | 8.11 |
Novec 649 | C6F9O | 10.8 | 1600 | 0.83 | 8.22 |
FC-72 | C6F14 | 10 | 1680 | 0.78 | 8.76 |
