dropping-mercury electrode

dropping-mercury electrode

[¦dräp·iŋ ¦mər·kyə·rē i′lek·trōd]
(physical chemistry)
An electrode consisting of a fine-bore capillary tube above which a constant head of mercury is maintained; the mercury emerges from the tip of the capillary at the rate of a few milligrams per second and forms a spherical drop which falls into the solution at the rate of one every 2-10 seconds.
References in periodicals archive ?
The reduction of unsaturated hydrocarbons at the dropping-mercury electrode.