observation volume

in flame emission and absorption spectrometry
symbol: $V_{\rm{obs}}$
https://doi.org/10.1351/goldbook.O04273
The volume of that part of the flame that is observed through the optical device (in \(\unicode[Times]{x3BC}\rm{l}\)).
See also: observation space
Source:
PAC, 1986, 58, 1737. (Quantities and units in clinical chemistry: Nebulizer and flame properties in flame emission and absorption spectrometry (Recommendations 1986)) on page 1741 [Terms] [Paper]
Citation: 'observation volume' 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.O04273 RIS BibTex EndNote
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