The generic name for all analytical methods that are based on the introduction and processing of test samples in flowing media.
Sources:
PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2189 (https://doi.org/10.1351/pac199062112167)
PAC, 1994, 66, 2493. 'Classification and definition of analytical methods based on flowing media (IUPAC Recommendations 1994)' on page 2496 (https://doi.org/10.1351/pac199466122493)