Enter the k constant and the concentration into the Calculator. The calculator will evaluate the Ilkovic Equation.
Ilkovic Equation Formula
ia = k*c
Variables:
- ia is the Ilkovic Equation (diffusion current)
- k is the k constant
- c is the concentration
To calculate diffusion current from the Ilkovic Equation, multiply the k constant by the concentration.
How to Calculate diffusion current from the Ilkovic Equation?
The following steps outline how to calculate the Ilkovic Equation.
- First, determine the k constant.
- Next, determine the concentration.
- Next, gather the formula from above = ia = k*c.
- Finally, calculate the diffusion current.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
k constant = 4.234
concentration = 23.5
FAQs about the Ilkovic Equation
What is the significance of the k constant in the Ilkovic Equation?
The k constant in the Ilkovic Equation represents a proportionality factor that includes the characteristics of the electrochemical system, such as the diffusion coefficient of the analyte, the drop time of the mercury electrode, and the surface area of the electrode. It is crucial for accurately calculating the diffusion current.
How does concentration affect the diffusion current in the Ilkovic Equation?
In the Ilkovic Equation, the diffusion current (ia) is directly proportional to the concentration (c) of the analyte in solution. This means that as the concentration increases, the diffusion current also increases, assuming the k constant remains the same.
Can the Ilkovic Equation be used for all types of electrodes?
The Ilkovic Equation is specifically designed for use with dropping mercury electrodes (DME) in polarography. Its application is limited to systems where the mercury drop time and surface area can be accurately controlled and measured.
Is it possible to calculate the diffusion coefficient using the Ilkovic Equation?
While the Ilkovic Equation itself is used to calculate diffusion current, the k constant within the equation incorporates the diffusion coefficient of the analyte. Therefore, with known values of the diffusion current, concentration, and other parameters, it is theoretically possible to rearrange the equation to solve for the diffusion coefficient.
