Table 4.
Correlation: lnP versus MV | β (mol cm−3) | lnP0 (m s−1) | r2 |
CM, pH 1 | 0.0089±0.004 | –24.9±0.6 | 0.91 |
CM, pH 6 | 0.0221±0.006 | –24.4±0.6 | 0.96 |
CM, pH 11 | 0.0069±0.004 | –24.7±0.4 | 0.83 |
MX, pH 6 | 0.0159±0.005 | –22.3±0.5 | 0.94 |
Water film (thickness 4.6 μm) | 0.0055±0.002 | –8.1±0.2 | 0.94 |
The size selectivity (β) is given by the slope and the intercept is equal to the permeance (P0) of a hypothetical molecule of zero molar volume. CM, native isolated cuticle; MX, dewaxed isolated cuticle.