Table 4.
Radial and tangential diffusion coefficient (D)

Radial directionD × 10-9(m2s-1) CV(%) Tangential directionD × 10-9(m2s-1) CV(%)
Absorption 1.02 2.00 0.96 2.10
Desorption 2.30 2.20 1.19 1.70