[Isolation and identification of psychotropic drugs by circular chromatography (author's transl)].

The "SelectaSol Solvent System" manufactured by SCHLEICHER and SCHULL is convenient for practical circular chromatography. These new possibilities are suitable to the rapid determination of psychotropic drugs in biological fluids of patients in emergency clinical toxicology. We are comparing circular and linear techniques with regard to the choice of solvent systems, diffusion time, isolation and characterization of implicated drugs.