|
pH
|
log
|
Iron phasecsaturation
|
Cation
|
Chloride complexes
|
Sulfide complexes
|
Hydroxide complexes
|
Acetate complexes
|
Malonate complexes
|
Data set
|
|---|
|
8.00
|
-50.55
|
Hm
|
0.11
|
31.53
|
9.2 × 10-14
|
67.90
|
0.45
|
9.0 × 10-3
|
5
|
|
7.00
|
-50.35
|
Hm
|
0.28
|
81.15
|
3.8 × 10-12
|
17.30
|
1.22
|
0.02
|
4
|
|
5.00
|
-50.3
|
Hm
|
0.35
|
98.43
|
2.9 × 10-8
|
0.21
|
0.97
|
0.23
|
3
|
|
4.00
|
-50.3
|
Py
|
0.36
|
99.36
|
2.9 × 10-6
|
0.02
|
0.24
|
9.6 × 10-3
|
2
|
|
3.00
|
-50.3
|
Py
|
0.36
|
99.60
|
2.7 × 10-4
|
2.2 × 10-3
|
0.03
|
2.0 × 10-3
|
1
|
- aSpeciation for the indicated complexes is given as mol% of total Zn. bThe 100 ppm isopleth is illustrated in Fig. 3. cSaturation with respect to hematite (Hm), pyrite (Py), or magnetite (Mt).