characteristic mass for integrated absorbance, \(m_{0}\)

in electrothermal atomization
That mass of analyte which produces an integrated absorbance signal whose net area is equal to 0.0044 s.
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 (