Tamil POLAROGRAPHY Voltammetry polarisable DROPPING Hg ELECTRODe DIFFUSION HALF WAVE POTENTIAL

Tamil POLAROGRAPHY Voltammetry technique of electrochemical method of analysis. It consists of polarisable working microelectrode called DROPPING MERCURY ELECTRODE (DME) 4 TYPES OF CURRENTS RESIDUAL CURRENT MIGRATION CURRENT DIFFUSION CURRENT LIMITING CURRENT HALF WAVE POTENTIAL WHAT IS THE ROLE OF SUPPORTING ELECTROLYTE IN POLAROGRAPHY? The diffusion current produced is directly proportional to concentration of analyte & this is used in quantitative analysis. The half wave potential is characteristic of every compound and this is used in qualitative analysis