|
pH
|
log
|
Iron phasecsaturation
|
Cation
|
Chloride complexes
|
Sulfide complexes
|
Hydroxide complexes
|
Acetate complexes
|
Malonate complexes
|
Data set
|
|---|
|
8.00
|
-52.70
|
Hm
|
0.06
|
23.60
|
2.3 × 10-4
|
73.47
|
0.80
|
2.6 × 10-3
|
7
|
|
6.00
|
-52.40
|
Py
|
0.22
|
93.09
|
0.57
|
2.89
|
3.04
|
0.01
|
6
|
|
6.00
|
-53.55
|
Py
|
1.1 × 10-3
|
0.48
|
99.49
|
0.02
|
0.02
|
5.2 × 10-5
|
5
|
|
6.45
|
-54.00
|
Py
|
1.6 × 10-4
|
0.07
|
99.92
|
5.8 × 10-3
|
2.3 × 10-3
|
7.5 × 10-6
|
4
|
|
7.00
|
-54.60
|
Py
|
1.3 × 10-5
|
5.4 × 10-3
|
99.99
|
1.7 × 10-3
|
1.9 × 10-4
|
6.1 × 10-7
|
3
|
|
7.30
|
-55.00
|
Py
|
3.2 × 10-6
|
1.3 × 10-3
|
99.99
|
8.3 × 10-4
|
4.7 × 10-5
|
1.5 × 10-7
|
2
|
|
7.55
|
-57.00
|
Py
|
9.4 × 10-7
|
3.9 × 10-4
|
99.99
|
4.3 × 10-4
|
1.3 × 10-5
|
4.3 × 10-8
|
1
|
- aSpeciation for the indicated complexes is given as mol% of total Pb. bThe 0.001 ppm isopleth is illustrated in Fig. 3. cSaturation with respect to hematite (Hm), pyrite (Py), or magnetite (Mt).