Table 6. Collins–Kimball Theory, Steady-State Smoluchowski, and Stokes–Einstein Equation Mathematical Formulations.
| Name | Related formula | Variables | |
|---|---|---|---|
| Collins–Kimball theory |
|
kapp: apparent rate constant | |
| Steady-state Smoluchowski | kD = 4πRDABNA | kD: steady-state Smoluchowski | |
| kTST: thermal rate constant (obtained from TST) | |||
| R: reaction distance | |||
| NA: Avogadro number | |||
| DAB: mutual diffusion coefficient of the reactants A (free radical) and B (antioxidant) | |||
| Stokes–Einstein equation |
|
kB: Boltzmann constant | |
| T: temperature | |||
| η: viscosity of solvent | |||
| r: radius of solute |
