Determination of Diffusion Coefficient of Isopropanol in Alkaline Medium using Electrochemical Methods on Pd Electrode~!2009-12-09~!2010-02-20~!2010-06-09~!

Dongyao Wang, Shengzhou Chen, Jianping Liu, Changwei Xu
2010 The Open Electrochemistry Journal  
The diffusion coefficient of isopropanol in alkaline medium using electrochemical methods on Pd electrode has been studied by linear sweep voltammetry (LSV) with different sweep rate and chronoamperometry in 1.0 M KOH solution containing 1.0 M isopropanol. Isopropanol oxidation on the Pd electrode is an irreversible charge-transport process and controlled by a diffusion process. The diffusion coefficient of isopropanol on the Pd electrode is obtained as 1.01 10 -6 cm 2 s -1 using the LSV method
more » ... and 1.06 10 -6 cm 2 s -1 using the chronoamperometry method. The average diffusion coefficient of isopropanol is 1.04 10 -6 cm 2 s -1 .
doi:10.2174/1876505x01002010011 fatcat:mzyi2dapo5gxzfnseiseqtynxq