An on-line system for coupling a normal phase liquid chromatography (LC) column to a reversed-phase LC column is described. The interface consists of an on-line solvent evaporator working on the principles of concurrent eluent evaporation and vapor overflow, and two additional 10 port valves. Optimization of the on-line procedure as well as recoveries, repeatability and linearity characteristics were tested in a simplified system simulating determination of heavy polycyclic aromatic hydrocarbons in edible oils. An application on a real extra virgin olive oil sample is also reported.

On‐line solvent evaporator for coupled normal phase‐reversed phase high‐performance liquid chromatography systems: Heavy polycyclic aromatic hydrocarbons analysis

MORET, Sabrina;CONTE, Lanfranco
2001-01-01

Abstract

An on-line system for coupling a normal phase liquid chromatography (LC) column to a reversed-phase LC column is described. The interface consists of an on-line solvent evaporator working on the principles of concurrent eluent evaporation and vapor overflow, and two additional 10 port valves. Optimization of the on-line procedure as well as recoveries, repeatability and linearity characteristics were tested in a simplified system simulating determination of heavy polycyclic aromatic hydrocarbons in edible oils. An application on a real extra virgin olive oil sample is also reported.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11390/670044
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