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Concentration factors for divalent and trivalent tracer cations as a function of surface charge calculated for B. brevisa
| I (M) | ρm (C/liter) | Concn factorb
|
|
|---|---|---|---|
| Divalent | Trivalent | ||
| 0.001 | −7.47 × 103 | 8 | 6 |
| 0.01 | −1.2 × 104 | 13 | 9 |
| 0.1 | −1.64 × 104 | 17 | 12 |
Cb = 0.005 M. Charge densities for each ionic strength and cell wall width (75 nm) are from van der Wal et al. (17).
Concentration factor well within the cell wall, calculated from Donnan potential according to equation 1.
