Instrumental, theoretical, and experimental aspects of determining thermodynamic and kinetic parameters from steady-state and non-steady-state cyclic voltammetry at microelectrodes in high-resistance solvents: application to the fac/mer-[Cr(CO)3(.eta.3-Ph2PCH2CH2P(Ph)CH2CH2PPh2)]+/0 square reaction scheme in dichloromethane
