In the medium of 0.5 mol/L H 2SO 4 and 0.5 mol/L KCl,respectively,the electrode prepared is shown to be stable and have a good catalytic property for the reduce of BrO - 3.The electrode is characterized by using SEM,SEM EDS and XPS techniques.

• 实验发现在 0 .；5 mol/L H2 SO4 或 0