Chemistry Reference
In-Depth Information
TABLE 5.2. Second-Order Rate Constants for the Carbonate Radical Anion
Reactions with Compounds [1, 27, 43, 44, 49, 53-61]
Compound
pH
k
298
(/M/s)
E
a
log
A
Ascorbate
11.4
1.4 × 10
9
8.3 ± 1.2
10.6
Butylamine
11.5
4.0 × 10
5
-
-
Triehthylamine
13.0
9.8 × 10
6
11.4 ± 0.9
9.0
glycine
7.5
3.2 × 10
4
-
-
1.3 × 10
5
11.0
-
-
dopa-melanin
10.0
3.0 × 10
5
-
-
Cysteinyl-dopa-melanin
10.0
2.0 × 10
8
-
-
Methionine
7.0
3.6 × 10
7
-
-
11.4
1.2 × 10
8
−9.2 ± 1.5
6.5
Cysteine
7.0
4.6 × 10
7
-
-
11.4
1.8 × 10
8
9.4
6.4 ± 0.3
1.2 × 10
7
Cystine
11.4
10.5 ± 0.9
8.9
gS
−
Alkaline
7.1 × 10
8
-
-
Tryptophan
7.0
7.0 × 10
8
-
-
11.4
4.9 × 10
8
−0.9 ± 0.2
8.5
Tyrosine
7.0
4.5 × 10
7
-
-
11.0
1.4 × 10
8
-
-
Histidine
7.0
5.6 × 10
7
-
-
Horseradish peroxidase
8.4
1.2 × 10
8
-
-
1.3 × 10
8
10.0
-
-
Fe(II) cytochrome
c
8.4
1.1 × 10
9
-
-
10.0
7.6 × 10
8
-
-
Fe(III) cytochrome
c
8.4
5.1 × 10
7
-
-
10.0
1.0 × 10
8
-
-
Catalase
8.4
3.7 × 10
9
-
-
Bovine serum albumin, native
8.8
1.7 × 10
8
-
-
2.1 × 10
8
Bovine serum albumin, denatured
8.6
-
-
MbFe
II
O
2
10.0
5.7 × 10
7
-
-
MbFe
III
OH
10.0
5.7 × 10
7
-
-
MbFe
II
NO
10.0
5.2 × 10
8
-
-
HbFe
III
OH
10.0
5.2 × 10
8
-
-
HbFe
II
O
2
10.0
2.9 × 10
8
-
-
HbFe
II
NO
10.0
5.2 × 10
8
-
-
Aconitase
7.4
3.0 × 10
8
-
-
1.9 × 10
7
d[g-oligo]
7.5
-
-
dgMP
7.5
6.6 × 10
7
-
-
dAMP
7.5
≤2.8 × 10
6
-
-
dCMP
7.5
≤1.9 × 10
6
-
-
dTMP
7.5
≤1.7 × 10
6
-
-
8-Oxo-dguo
7.5
7.9 × 10
8
-
-
dichlorodihydrofluorescein (dCFH
2
)
8.2
2.6 × 10
8
-
-
2.7 × 10
8
dichlorofluorescein (dCF)
8.1
-
-
dihydrorhodamine (dHR)
8.2
6.7 × 10
8
-
-
Rhodamine (dHR)
8.2
3.6 × 10
6
-
-
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