|
Reaction stoichiometries and stability constants used in DLM calculations for HFO. |
||
| Reaction |
Log Stability Constant |
V(Y) (V(Y)min, V(Y)max) |
|
|
||
| HFO (2-site model): |
||
| >Fe(s)OH + H+(aq) = >Fe(s)OH2+ |
7.29[4] |
|
| >Fe(w)OH+ H+(aq) = >Fe(w)OH2+ |
7.29[4] |
|
| >Fe(s)OH = >Fe(s)O- + H+(aq) |
-8.93[4] |
|
| >Fe(w)OH = >Fe(w)O- + H+(aq) |
-8.93[4] |
14.0 |
| >Fe(s)OH + Cu+2(aq) = >Fe(s)OCu+ + H+(aq) |
2.89[4] |
(10.9, 18.5) |
| HFO (1-site model): |
||
| >FeOH + H+(aq) = >FeOH2+ |
7.5[38] |
|
| >FeOH = >FeO- + H+(aq) |
-10.2[38] |
12.2 |
| >FeOH + Cu+2(aq) = >FeOCu+ + H+(aq) |
0.98 (this study) |
(9.5, 16.1) |
|
Average goodness-of-fit parameters (V(Y)) and 95% confidence intervals of V(Y) are for the fit of each model to all of the Cu on HFO adsorption edge data (np = 61). | ||
Lund et al. Geochemical Transactions 2008 9:9 doi:10.1186/1467-4866-9-9 |
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