789
Complexation of Dissolved Organic Matter with Trace Metal Ions in Natural Waters
(continued)
Cu 2+
with tryptophan-like or
protein-like component
–
–
7.82–9.56
–
?
Wu and Tanoue
(2001b)
Pb 2+
with humic acid,
sewage sludge (Ex/
Em
= 340/438 nm)
–
4.95
–
–
–
8.1
Plaza et al. (2006)
Pb 2+
with humic acid, soil
(Ex/Em
= 440/510 nm)
–
5.81
–
–
–
8.1
Plaza et al. (2006)
Pb 2+
with humic acid, amended
soil
+ sewage sludge
(Ex/Em
= 440/510 nm)
–
5.53
–
–
–
8.1
Plaza et al. (2006)
Cd 2+
with humic acid,
sewage sludge (Ex/
Em
= 340/438 nm)
–
4.24
–
–
–
8.1
Plaza et al. (2006)
Cd 2+
with humic acid, soil
(Ex/Em
= 440/510 nm)
–
4.63
–
–
–
8.1
Plaza et al. (2006)
Cd 2+
with humic acid, amended
soil
+ sewage sludge
(Ex/Em
= 440/510 nm)
–
4.47
–
–
–
8.1
Plaza et al. (2006)
Hg 2+
with extracellular polymeric
substances (EPS) (peak T:
275–280/428–334 nm)
–
–
3.28–4.12 (K
1 )
–
–
4.0–8.0 Zhang et al. (2010)
Hg 2+
with EPS (peak T
UV :
220–230/422–336 nm)
–
–
4.28–4.49 (K
2 )
–
–
4.0–8.0 Zhang et al. (2010)
Pb 2+
with EPS
–
–
3.1–4.9 (K
1 );
3.2–4.6 (K
2 )
–
–
7
Comte et al. (2006)
Pb 2+
with EPS
–
–
0.45–1.28
–
–
7
Guibaud et al. (2006)
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
Table 1 (continued)