Skip to main content

Table 4 Surface free energy per unit area, Lifshitz van der Waals component LW ), acid–base component ( γ AB ) with the contributions of electron donor (γ - ) and electron acceptor + ) interactions, total surface free energy ( γ ), surface polarity AB γ -1 ), solubility parameter (δ θ ) and work of adhesion (for water, W w ; glycerol, W g ; diiodomethane, W d ) of adaxial Eucalyptus leaf, pepper and peach fruit surfaces

From: Estimation of the solubility parameters of model plant surfaces and agrochemicals: a valuable tool for understanding plant surface interactions

  Surface free energy and its components
(mJ m-2)
  Work of adhesion (mJ m-2)
Sample γ LW γ - γ + γ AB γ γABγ- 1 (%) δ θ ( MJ1/2 m-3/2) W a.w W a.g W a.d
Eucalyptus 15.5 0.2 6.5 1.0 17.4 11.2 10.6 15.0 17.6 56.1
Pepper 28.1 3.9 1.4 4.6 32.7 14.1 17.0 81.2 87.4 75.6
Peach 31.1 0.04 10.0 1.2 32.2 3.7 16.8 22.1 22.1 79.4