TABLE V
pK
a
at 25 °C of the Acids Used (12)
pK
a1
pK
a2
pK
a3
pK
a4
Acetic
4.76
Citric
3.13
4.76
6.4
EDTA
2.0
2.7
6.2
10.2
Glutaric
4.34
5.43
H
3
PO
4
2.14
7.21
12.67