7. Adsorption and desorption kinetics

7.1 Adsorption rate. Shock efficiency. Quantity adsorbed

The maximum rate of adsorption at a gas-solid interface is the rate at which gas molecules collide with the surface. According to the kinetic theory of gases, the number Z of molecular collisions per unit area and time, or shock frequency, is given by the Hertz-Knudsen relation:

[Z = \frac{p}{\sqrt{2 π mkT}}]

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Bibliography

(1) - DUKE (C.B.) - Surface Science – The First Thirty Years. (Science des surfaces – Les trente premières années) - North-Holland (1994).
(2) - DUKE (C.B.), PLUMMER (E.W.) - Frontiers in Surface and Interface Science. (Frontières dans la science des surfaces...

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