OK, now I see.
If a reaction takes place on the boundary, then it is not written as a reaction term in the diffusion equation, but as a flux boundary condition.
Inward flux: -k*cA
but now notice that the units of k, the reaction rate constant, is m/s in order to have flux in mol/(m^2*s).
BR
Lasse
If a reaction takes place on the boundary, then it is not written as a reaction term in the diffusion equation, but as a flux boundary condition.
Inward flux: -k*cA
but now notice that the units of k, the reaction rate constant, is m/s in order to have flux in mol/(m^2*s).
BR
Lasse
