Faradic Current Formula:
From: | To: |
Definition: Faradic Current is defined as the current formed due to the traces of impurities in electrochemical systems.
Purpose: This calculator helps determine the faradic current based on residual current and condenser current measurements.
The calculator uses the formula:
Where:
Explanation: The faradic current is calculated by subtracting the condenser current from the residual current.
Details: Accurate measurement of faradic current is crucial in electrochemical studies to understand the true current due to redox reactions, separate from background currents.
Tips: Enter the residual current and condenser current values in amperes. Both values must be ≥ 0.
Q1: What is residual current?
A: Residual current is the current that flows in the absence of the depolarizer (i.e., due to the supporting electrolyte).
Q2: What causes condenser current?
A: Condenser current is due to the formation of Helmholtz double layer at the electrode surface.
Q3: Can faradic current be negative?
A: Yes, if the condenser current exceeds the residual current, indicating specific electrochemical conditions.
Q4: How are these currents typically measured?
A: Using electrochemical techniques like polarography or voltammetry with appropriate instrumentation.
Q5: Why is it important to separate faradic current?
A: It allows researchers to study only the current related to electrochemical reactions, excluding capacitive effects.