Environmental Engineering Reference
In-Depth Information
Table 1 (
continued)
Elements or groups
Conditional stability constants (log
10
K
)
pH
References
Autochthonou DOM
or hydrophilic or
hydrophobic
a
Tryptophan or
protein or EPS
a
Other organic
ligands
a
Fulvic acid
a
Humic acid
a
Cd
2
+
with EPS
-
-
3.0-3.5 (
K
1
);
2.7-3.8 (
K
2
)
-
-
7
Comte et al. (
2006
)
Cd
2
+
with EPS
-
-
1.54-3.35
-
-
7
Guibaud et al.
(2006
)
Cu
2
+
with EPS
-
-
3.0-4.4
-
-
7
Guibaud et al.
(2004
)
Ni
2
+
with EPS
-
-
2.6-3.0
-
-
7
Guibaud et al.
(2004
)
Sc
3
+
17.57
17.54-20.47
-
-
-
7-9.
Sonke and Salters
(2006
)
Y
3
+
9.21-13.67
10.95-14.94
-
-
-
6-9.
Sonke and Salters
(2006
)
Nanthnides (14 elements)
La
3
+
9.15-11.65
10.64-13.29
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Ce
3
+
8.90-12.09
10.56-13.55
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Pr
3
+
8.93-12.36
10.39-13.84
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Nd
3
+
9.07-12.54
10.34-13.96
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Pm
3
+
-
-
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Sm
3
+
9.56-12.65
10.58-14.38
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Eu
3
+
9.36-11.52
10.71-14.30
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Gd
3
+
