Adsorption theory Debye forces

Debye and Keesom forces together with London Dispersion forces are known coiiec-tively as van der Waals forces. See Lifshitz-van der Waals forces for a further discussion. They play a significant role in the Adsorption theory of adhesion and in surface phenomena such as Contact angles and interfacial tension. 

Adsorption Theory. As its name indicates, this theory of adhesion draws upon surface forces for explaining the observed phenomena [11]. It regards adhesion as essentially a special property of phase interfaces. The forces that are responsible for adhesion in this process are the so-called secondary valence or van der Waal s forces. These forces have three components, namely Keesom s dipole orienting effect, Debye s... 

In the preceding sections, we have discussed nonspecific adsorption, where long-range electrostatic forces perturb the distribution of ions near the electrode surface, and specific adsorption, where a strong interaction between the adsorbate and the electrode material causes the formation of a layer (partial or complete) on the electrode surface. The difference between nonspecific and specific adsorption is analogous to the difference between the presence of an ion in the ionic atmosphere of another, oppositely charged, ion in solution (e.g., as modeled by the Debye-Huckel theory) and the formation of a bond between the two solution species (as in a complexation reaction). 

---