time-weighted average sampling

synonym: TWA sampling
https://doi.org/10.1351/goldbook.10189

A passive sampling or active sampling strategy over a relatively long time, during which the amount of analyte(s) extracted is proportional to its average (mean) concentration over that time.

Source:
PAC, 2016, 88, 517. (Glossary of terms used in extraction (IUPAC Recommendations 2016)) on page 526 [Terms] [Paper]
Citation: 'time-weighted average sampling' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.10189 RIS BibTex EndNote
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