Conductivity of Cells



CELLS USED FOR CONDUCTANCE MEASUREMENT

The cell used for the measurement of conductance is called the conductivity cell. The cells are of various shapes and have been used from time to time. These cells are made up of Pyrex or quartz glass and are fitted with platinum electrodes coated with a layer of finely divided platinum black to minimize the polarization effects. Using small quantity of mercury makes the contact between the platinum electrodes and the connecting wire of the circuit. The distance between the electrodes is adjusted depending upon the conductance of the solution to be measured.

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