Table 4.
Surface free energy (γs) and its components (γLW or ds γAB or nds, γ+s and γ−s), and solubility parameter (δ) of adaxial blue gum eucalypt leaf surfaces calculated by the 3-L, GM, and HM methods.
| Method | Test liquids | γLW or ds (mJ m−2) | γ−s (mJ m−2) | γ+s (mJ m−2) | γAB or nds (mJ m−2) | γs (mJ m−2) | δ (MJ1/2 m−3/2) |
|---|---|---|---|---|---|---|---|
| 3-L | W, G, DM | 14.87 | 0.55 | 7.98 | 4.22 | 19.07 | 11.32 |
| GM | W, DM | 18.92 (27.2%) | – | – | 3.22 (−23.7%) | 22.14 (16.1%) | 12.67 (11.9%) |
| GM | G, DM | 21.53 (44.8%) | – | – | 10.95 (159.5%) | 32.49 (70.4%) | 16.88 (49.1%) |
| GM | W, G | 1.82 (−87.8%) | – | – | 0.03 (−99.3%) | 1.85 (−90.3%) | 1.97 (−82.6%) |
| HM | W, DM | 9.02 (−39.3%) | – | – | −2.50 (−159.2%) | 6.51 (−65.9%) | 5.06 (−55.3%) |
| HM | G, DM | 9.00 (−39.5%) | – | – | −2.50 (−159.2%) | 6.50 (−65.9%) | 5.05 (−55.4%) |
| HM | W, G | 8.91 (−40.1%) | – | – | −2.46 (−158.3%) | 6.46 (−66.1%) | 5.03 (−55.6%) |
The deviation from the 3-L method is indicated in brackets.