rate of fluid consumption, \(q_{\text{V}}\)

in flame emission and absorption spectrometry
https://doi.org/10.1351/goldbook.R05151
The volume of fluid consumed by the nebulizer divided by time (in \(\unicode[Times]{x3BC}\text{L}\ \text{s}^{-1}\)). @[email protected] has also been called volume flow, flux, aspiration rate, aspiration flow or aspiration flux. The fluid consumed is either aspirated or injected. The @[email protected] of fluid consumption by nebulizers is usually between \(10\) and \(100\ \unicode[Times]{x3BC}\text{L}\ \text{s}^{-1}\).
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 1739 [Terms] [Paper]