carrier gas

https://doi.org/10.1351/goldbook.C00863
A gas introduced in order to transport a sample for analytical purposes. In gas @C01075@ it is the gas which is passed continuously through the column and whose passage promotes the @E02042@ of the components of the sample. The @C00859@ gas together with the portions of the sample present in this phase constitutes the @M03952@.
Sources:
Orange Book, 2nd ed., p. 97 [Terms]
PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2178 [Terms] [Paper]