Anson equation

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In electrochemistry, the Anson equation defines the charge-time dependence for linear diffusion control in chronocoulometry.^[1]

The Anson equation is written as:

Q = n F A C D^1/2 π^−1/2 t^1/2

where,

Q = charge in coulombs

n = number of electrons (to reduce/oxidize one molecule of analyte)

F = Faraday constant, 96485 C/mol

A = area of the (planar) electrode in cm²

C = concentration in mol/cm³;

D = diffusion coefficient in cm²/s

t = time in s.

See also[]

• Voltammetry
• Electroanalytical methods
• Limiting current
• Cottrell equation

References[]

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