The Free On-line Aquaculture Dictionary
Carbon Dioxide as a function of pH
Carbon dioxide proportions of different forms
pH
4
5
6
7
8
9
CO2
99.5
95.4
67.7
17.3
2.0
0.2
HCO3-
0.5
4.6
32.2
82.7
97.4
94.1
CO3--
-
0.6
5.7