Carbonate

Useful Range
pKa1 pH 6.00 - 8.00
pKa2 pH 9.50 - 11.10
Note

Equilibrates with CO2
Wikipedia Entry
Carbonic acid
pKa vs. Temperature
20°C 25°C
pKa1 6.30 6.38
pKa2 10.33
d(pKa1)/dT
-0.0055
d(pKa2)/dT
-0.0090
Ingredients with this Buffer
1 Ammonium Bicarbonate, 500 mM
2 Potassium Bicarbonate, 1 M
3 Potassium Carbonate, 0.2 M
4 Potassium Carbonate, 1 M
5 Sodium Bicarbonate (solid)
6 Sodium Bicarbonate, 0.4 M
7 Sodium Bicarbonate, 1 M
8 Sodium Carbonate Anhydrous (solid)
9 Sodium Carbonate Monohydrate (solid)
10 Sodium Carbonate, 0.2 M
11 Sodium Carbonate, 0.4 M
12 Sodium Carbonate, 1 M
13 Sodium Carbonate, 20% (wt:vol)