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)