Environmental Engineering Reference
In-Depth Information
Table 1 (
continued)
Elements or groups
Conditional stability constants (log
10
K
)
pH
References
Fulvic acid
a
Humic acid
a
Tryptophan or
protein or EPS
a
Autochthonou DOM
or hydrophilic or
hydrophobic
a
Other organic
ligands
a
Cu
2
+
with DOM (Southeastern
Gulf of Mexico)
-
-
-
≥
12; 9.8
-
8.2
Sunda and Ferguson
(1983
)
Cu
2
+
with DOM (Coast
of Peru)
-
-
-
12.3; 9.2
-
8.2
Sunda and Hanson
(1987
)
Cu
2
+
with DOM (Sargasso
Sea)
-
-
-
13.2; 9.7
-
?
Moffett et al.
(1990
)
Cu
2
+
with DOM (North Paciic) -
-
-
13.0; 10.0
-
?
Coale and Bruland
(1988
)
Cu
2
+
with DOM (South Atlan-
tic)
-
-
-
12.2; 10.2
-
7.7
van Den Berg (
1984
)
Cu
2
+
with DOM (equatorial
Paciic)
-
-
-
8.92-9.26 (
K
1
);
6.87-7.44 (
K
2
)
-
8.15
Midorikawa and
Tanoue (
1996
,
1998
)
Cu
2
+
(groundwater)
-
5.60
-
-
-
Kim et al.
(1990
)
Hg
2
+
with isolated hydrophobic
fraction of DOM (Florida
Everglades surface waters)
-
-
-
11.6-12.0 (
K
1
);
10.5-10.9 (
K
2
)
-
Benoit et al. (
2001
)
Mn
2
+
-
0.40
-
-
-
7
Takahashi et al.
(1997
)
Co
2
+
-
0.50
-
-
-
7
Takahashi et al.
(1997
)
Zn
2
+
with humic acid,
sewage sludge (Ex/
Em
=
340/438 nm)
-
4.08
-
-
-
8.1
Plaza et al. (
2006
)
Zn
2
+
with humic acid, soil
(Ex/Em
=
440/510 nm)
-
4.43
-
-
-
8.1
Plaza et al.
(2006
)
Zn
2
+
with humic acid, amended
soil
+
sewage sludge
-
4.31
-
-
-
8.1
Plaza et al. (
2006
)
