That is, the net measured uptake measures the mass accommodation coefficient, corrected for the rate of transport of the gas to the surface.

4. Gas transport and mass accommodation fast, solubility low, and slow reaction. In this case, ymcas is determined by the solubility and slow reaction and is given by



However, because solubility and reaction are not decoupled processes in this case, this does not represent an exact solution and is valid only under conditions where (kt)i/2 < 1 (Kolb et al., 1995).

5. Low solubility and no reaction. In this case, equation (PPP) becomes

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