Abstract: The present invention relates to a method for adapting a detection device to be coupled to a liquid chromatography column and equipped with means for forming and conveying an aerosol as well as means for the formation of an aerosol and the conveyance thereof towards these detection means.

Abstract: Method allowing control of an evaporative light scattering detector which is coupled to a liquid chromatography column, substantially independently of the elution conditions for the chromatographic separation. A given adjustable constant calibrated volume of the flow which originates from the chromatography column is removed at a given adjustable frequency, this flow being constituted by an eluent which contains compounds to be analysed which have been dissolved therein, and the volume removed in this manner is transferred to a secondary circuit, to which the evaporative light scattering detector is connected, by being conveyed by means of an auxiliary pump with a specific carrier fluid which is independent of the eluent having a predetermined flow, and the successive fractions of the flow which originates from the chromatography column are mixed with the carrier fluid which conveys these fractions upstream of the evaporative light scattering detector.

Abstract: A method of separating and analyzing slightly volatile cations and/or anions contained in a sample immediately and simultaneously. The sample is injected into a chromatography device in liquid phase co-operating with at least one stationary phase likely to retain the cations and the anions contained in the sample by competing interactions with the stationary phase or phases. The cations and anions are eluted by feeding at least one mobile phase which can be evaporated through the stationary phase or phases. The cations and the anions present in the mobile phase or phases are analyzed with the aid of an evaporative light scattering detector.