801
Complexation of Dissolved Organic Matter with Trace Metal Ions in Natural Waters
Elements or groups
Cu 2+
References
Log
10 K
1
Log
10 K
2
log
10 K MA
MAR
log
10 β M
MAR
Resorcinol (1,3-dihydroxybenzene)
7.30
5.50
Radalla (2010)
Adipic acid (HOOC–CH
2 –CH
2 –CH
2 –CH
2 –COOH)
3.84
2.29
9.17
13.81
Radalla (2010)
Succinic acid (HOOC–CH
2 –CH
2 –COOH)
3.2
–
9.83
13.05
Radalla (2010)
Malic acid [HOOC–CH
2 –CH(OH)–COOH]
6.8
–
7.3
16.48
Radalla (2010)
Malonic acid (HOOC–CH
2 –COOH)
4.82
3.37
7.3
14.31
Radalla (2010)
Maleic acid (HOOC–CH=CH–COOH)
4.08
2.82
7.3
13.5
Radalla (2010)
Tartaric acid [HOOC–CH(OH)–CH(OH)–COOH]
6.69
5.7
7.3
16.31
Radalla (2010)
Oxalic acid (HOOC–COOH)
4.66
4.06
7.3
13.75
Radalla (2010)
Ni 2+
Resorcinol (1,3-dihydroxybenzene)
6.10
5.30
Radalla (2010)
Adipic acid (HOOC–CH
2 –CH
2 –CH
2 –CH
2 –COOH)
3.54
2.29
9.17
12.71
Radalla (2010)
Succinic acid (HOOC–CH
2 –CH
2 –COOH)
3.17
8.84
12.01
Radalla (2010)
Malic acid [HOOC–CH
2 –CH(OH)–COOH]
4.63
8.69
13.32
Radalla (2010)
Malonic acid (HOOC–CH
2 –COOH)
3.93
2.92
8.58
12.51
Radalla (2010)
Maleic acid (HOOC–CH=CH–COOH)
3.68
2.82
8.42
12.10
Radalla (2010)
Tartaric acid [HOOC–CH(OH)–CH(OH)–COOH]
4.67
3.38
8.36
13.03
Radalla (2010)
Oxalic acid (HOOC–COOH)
3.46
2.96
8.26
11.72
Radalla (2010)
Zn 2+
Resorcinol (1,3-dihydroxybenzene)
5.15
3.90
Radalla (2010)
Adipic acid (HOOC–CH
2 –CH
2 –CH
2 –CH
2 –COOH)
3.41
2.35
7.88
11.29
Radalla (2010)
Succinic acid (HOOC–CH
2 –CH
2 –COOH)
3.06
7.79
10.83
Radalla (2010)
Malic acid [HOOC–CH
2 –CH(OH)–COOH]
3.38
7.54
10.72
Radalla (2010)
Malonic acid (HOOC–CH
2 –COOH)
2.98
2.33
7.48
10.82
Radalla (2010)
Maleic acid (HOOC–CH=CH–COOH)
3.40
2.45
7.37
10.77
Radalla (2010)
Table 2 Conditional stability constants for
Cu 2+
, Ni 2+
, Zn 2+
, and Co 2+
binary and ternary complexes in aqueous media at 25 °C and I
= 0.10 mol.dm
−3
(continued)