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
Tb
3
+
9.39-11.75
11.19-14.80
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Dy
3
+
9.47-13.64
11.31-15.30
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Ho
3
+
9.67-13.91
11.44-15.49
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Er
3
+
9.97-14.29
12.85-15.78
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Tm
3
+
10.25-14.45
11.89-16.20
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Yb
3
+
10.34-14.32
13.26-16.23
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Lu
3
+
10.44-14.58
12.25-16.50
-
-
-
6.0 -9.0
Sonke and Salters
(2006
)
Eu
3
+
-
-
-
6.3
-
6
Konstantinou et al.
(2009
)
Eu
3
+
with 5-Sulfosalicylic acid -
-
-
-
6.27; 11.76
?
Nair and Chander
(1983
)
Actinides
Np
5
+
-
3.3-3.7 (2.5-3.2) -
-
-
7.4 (4.7) Shcherbina et al.
(2007
)
Cm
3
+
5.9
6.22
-
-
-
?
Buckau et al.
(1992
);
Kim et al. (
1991
)
Cm
3
+
with 5-sulfosalicylic acid -
-
-
-
6.44; 11.99
?
Nair and Chander
(1983
)