characteristic mass for integrated absorbance, Math - title
in electrothermal atomization
That mass of analyte which produces an integrated absorbance signal whose net area is equal to Math - text.
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