title: Effect of efficiency improvement by injecting a sample at a lower carrier gas velocity in isothermal gas-liquid chromatography.
abstract: The effect of efficiency improvement of chromatographic system by injecting a sample at a lower carrier gas velocity (in comparison with the carrier gas velocity at subsequent separation) was studied experimentally and theoretically in isothermal gas-liquid chromatography. The suggested technique is based on sample introduction in the programmed carrier gas velocity operation mode: the injection is realized at low carrier gas velocity, then the velocity is increased rapidly up to the operation value. The technique can be applied in chromatographic practice.
authors.affiliation: A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation. berezkin@ips.ac.ru
authors.forename: V G
authors.initials: VG
authors.lastname: Berezkin
authors.forename: A B
authors.initials: AB
authors.lastname: Lapin
authors.forename: I V
authors.initials: IV
authors.lastname: Malyukova
mesh_terms: D002849:Chromatography, Gas / Q000379:methods*