The Mechanism of Chromatographic Retention - Solvent/Solute Interactions with Adsorbent Surfaces > Bi-layer Adsorption > Page 47

and n2 = bab

where, (a) and (b) are constants

aca(1-b) = bab .

and solving for (b),

The equation for (b) is the mono-layer adsorption isotherm of solvent (B) on the top of the existing surface covered with the same solvent.

n' = dc(1-a)

and n1 = ea(1-b) .

dc(1-a) = ea(1-b)