The
volume rate of one component,
X
(e.g. air,
O2 ),
of the unburnt gas mixture (such as
C2H2,
O2, etc.) in the burner tip. Ambient temperature and pressure must be stated.
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 1742