characteristic mass, \(m_{\textrm{c}}\)

in electrothermal atomization
https://doi.org/10.1351/goldbook.C00980
The mass of analyte which, when atomized electrothermally, produces the uniquely defined absorption signal.
Source:
PAC, 1992, 64, 253. (Nomenclature, symbols, units and their usage in spectrochemical analysis - XII. Terms related to electrothermal atomization (IUPAC Recommendations 1992)) on page 258 [Terms] [Paper]