Table 1 Redox potentials of buffers in a 0.2 M sodium sulfate electrolyte solution
Group | Buffer | Reduction peak (V) | Oxidation peak (V) |
---|---|---|---|
A | PIPES | 0.76 | 1.16 |
MES | 0.72 | 1.15 | |
PIPES-SS | 0.76 | 1.13 | |
B | TAPSO | 0.73 | 1.08 |
TAPS | 0.47/0.72 | 0.50/1.11 | |
TES | 0.54/0.72 | 0.55/1.14 | |
C | TEA | 0.36 | 0.73/0.89 |
Bicine | – | 1.2 | |
BTM | 0.51/0.68 | 1.09 | |
BTP | 0.39 | 1.04 | |
D | PSTT | 0.48 | 0.95 |