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Comparison of Reference Electrodes
| Reference Electrode | Voltage Difference |
Structure/electrolyte potential equivalent to –0.850 volts with respect to copper/copper sulfate |
To convert reference potential measurements to the equivalent potential with respect to copper/copper sulfate |
|---|---|---|---|
| Copper/Copper Sulfate | 0 | -0.850 volt | |
| Silver/Silver Chloride | -50 mv | -0.800 volt | Subtract 0.050 volts |
| Standard Calomel | -70 mv | -0.780 volt | Subtract 0.070 volts |
| Zinc | -1100 mv | +0.250 volts | Subtract 1.10 volts |
Comparison of different electrodes @ 25° C
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