|
pH
|
log 
|
Iron phasecsaturation
|
Cation
|
Chloride complexes
|
Sulfide complexes
|
Hydroxide complexes
|
Acetate complexes
|
Malonate complexes
|
Data set
|
|---|
|
8.00
|
-50.20
|
Hm
|
0.06
|
23.60
|
2.3 × 10-14
|
74.47
|
0.80
|
2.6 × 10-3
|
5
|
|
7.00
|
-49.95
|
Hm
|
0.17
|
72.64
|
6.9 × 10-13
|
22.38
|
2.59
|
8.3 × 10-3
|
4
|
|
5.00
|
-49.90
|
Hm
|
0.23
|
97.25
|
5.9 × 10-9
|
0.30
|
2.19
|
9.9 × 10-3
|
3
|
|
4.00
|
-49.90
|
Py
|
0.24
|
99.21
|
6.0 × 10-7
|
0.03
|
0.51
|
8.9 × 10-3
|
2
|
|
3.00
|
-49.90
|
Py
|
0.24
|
99.69
|
6.0 × 10-5
|
3.2 × 103
|
0.05
|
6.3 × 10-3
|
1
|
- aSpeciation for the indicated complexes is given as mol% of total Pb. bThe 100 ppm isopleth is illustrated in Fig. 2. cSaturated with respect to hematite (Hm), pyrite (Py), or magnetite (Mt).
