Chronoamperometry (cont/d) ◆R已pn念e Comtectnrl Cottrell plot 100s ,t惶 Doble l好rer Intercept: 0 Charging 2(≤50 Slop nFAD12CAT12 tlr 工tm hittIng
Chronoamperometry (cont/d) ◆ teatime Response horizontal plot Lost t iz .1g T est for difusion司 5pe=-05 control log ivs. log t Logt
Applicati ons of Chronoamperometry ◆ Determ ination of: D + kineticsreaction mechanism Double pote ntial ste p G币t园郊ec旧es, probe fate
Applications of Chronoamperometry Determine A of ele ctrode using primary ele ctrochemical stand ard Ferrocene f errocini以 Fe〔CN534 Ru(NHaia2+ 2 Use ele ctrode to measure Do d p for analyte re dox couple
EXAMPLE: Diffusion in Sol Gel glasses ReferenceA R. howells Pj Zambrano; M. M. Collison(Kansas State) Ana.Chem.2000.72.5265-71 + Interest: Sol-gel: analyte/silica gel 3冂s atalysts