Mass of a drop of liquid metal in
polarography at the instant when it is detached from the tip of the capillary divided by the drop time
\(t_{\rm{d}}\).
Note: The liquid is usually mercury.
Source:
PAC, 2020, 92, 641. 'Terminology of Electrochemical Methods of Analysis (IUPAC Recommendations 2019)' on page 678 (https://doi.org/10.1515/pac-2018-0109)