(Often incorrectly referred to as
sensitivity). Smallest amount of material detectable (3σ-criterion) in a matrix relative to the
amount of material analysed — given in atomic,
mole or
weight fractions.
Source:
PAC, 1979, 51, 2243
(General aspects of trace analytical methods - IV. Recommendations for nomenclature,
standard procedures and reporting of experimental data for surface analysis techniques)
on page 2247