By Sunil Bhardwaj


The mixture of the metallic ions is taken in the Polarographic cell. The jockey is allowed to move from H to I and for each position of jockey, we find out the reading to voltmeter (v) and galvanometer. Then we plot a graph of current in \(\mu A\) V/S potential applied. The Polarogram is consisting of series of waves. Each wave corresponds to the reduction of one particular metal ion species. The polarogram obtained when a solution containing different metal ions at concentration of 104 gm ions per \(dm^3\) is electrolyzed with 0.1 N KCl as the supporting electrolyte.

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  • Chromatography
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