Asite - area per mole of surface sites [m2/mol]
Asp - specific area, area per unit mass of powder [m2/kg]
C - concentration in solution [mol/m3]
KADS - combined adsorption constant [m3/mol]
KEQ - equilibrium product for adsorption [m3/mol]
KRP - product of activities [dimensionless]
NAvo - Avogadro's number [molecules/mol]
V - volume of solution [m3]
a, b, c - parameters in the quadratic equation [dimensionless]
mpowder - mass of powder [kg]
n - moles of adsorbate [mol]
xsite - distance between surface adsorption sites [m]
- fraction of surface sites covered by adsorbate [dimensionless]
Subscripts:
A for adsorbate
S for solvent
ads = adsorbed on the powder surface
soln = dissolved in solution
total = total of adsorbed plus dissolved
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