Construction and working of dropping mercury electrode
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The dropping memory electrode is an electrode
in working condition and is made of mercury. Mercury is passed through an
insulating capillary as a droplet. At the end of the capillary, the size of the
droplet is increased till it has a diameter of a millimeter. It is then
released from the capillary such that there is no contact with the electrode.
The drop is collected in the bottom of a cell. As soon as one drop is released,
another drop is formed. The rate of production of the drop is usually about 0.2
Hz.
An experiment conducted with this kind of electrode is a form of polarography.
An experiment conducted with this kind of electrode is a form of polarography.
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