Abstract
A modified method for dispersing platinum particles on a glassy carbon (GC) electrode was investigated. The ultramicro Pt particle-modified electrode obtained exhibited high catalytic stability and activity towards the oxidation of some halide ions (Br − , I − ) and inorganic sulfur species (S 2 O 3 2− , SO 3 2− and SCN − ). These anions were separated and detected by using ion chromatography and electrochemical detection via this novel dispersed Pt particles-GC working electrode. The detection limits were 20 ng/ml for Br − , 1.0 ng/ml for I − , 10 ng/ml for SO 3 2− and 4.0 ng/ml for SCN − . This method was employed for the analysis of industrial and environmental waste waters.
Published Version
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