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 |