328
Chemical Oceanography, 4th Edition
pH
2
4
6
8
10
log [Fe(III)]
T
–12
–10
–8
–6
–4
–2
0
Figure 7.75
The effect of pH on the solubility of Fe 3+ in seawater at 25°C.
pH
6.4 6.6 6.8 7.0 7.2 7.4 7.6 7.8 8.0 8.2 8.4
log k (s
–1
)
–3.4
–3.2
–3.0
–2.8
–2.6
–2.4
–2.2
–2.0
–1.8
–1.6
Figure 7.74
The effect of pH on the rate constant for the oxidation of Fe 2+ with O 2 in seawater at 25°C.
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