Preconcentration Laboratory . Laboratory of Chromatography . ... Laboratory of Kinetics Methods of Anaysis . ... Sorption-spectroscopy methods for determination of organic . ... Room-temperature ionic liquds, computational chemistry . ... New detection methods in ion and ion-pair chromatography . ... For that purpose, methods of selective preconcentration are developed along with the methods of determination of analytes directly in the sensing film or in the permeate after membrane diffusion. ...