in chromatography
https://doi.org/10.1351/goldbook.B00604
The portion of the @C01071@ recording the detector response when only the mobile phase emerges from the column.
Source:
PAC, 1993, 65, 819. (Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 834 [Terms] [Paper]
See also:
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2176 [Terms] [Paper]