Table III. Parameters used in the analysis.
| Parameter | Value |
|---|---|
| Temperature |  |
| Viscosity of water |  |
| Permittivity of water |
 F/m |
| pH of water |  |
 of deionized water at room conditionsa
|
 mm
|
| Surface dissociation constantb |  |
| Number of chargeable sites, cellulose |  |
| Number of chargeable sites, sugar beet pectin |  |
a
Deionized water exposed to the atmosphere absorbs carbon dioxide (CO2) from the air. The CO2 dissolves in the water and dissociates by 
and 
; in equilibrium 
mm (Butler, 1982).
bRepresentative value of 
for a carboxylic acid.