Abstract

Magnetooptical rotation (MOR) or the Faraday effect in the absence of absorption is a general physical property for all substances and can be used for universal detection in high-performance liquid chromatography. A simplified equation has been derived for calculating Verdet constants of mixtures. The experimental results confirm the linear relationship between the MOR signal and weight fraction of the solute in dilute solution. The feasibility of this method is demonstrated in the detection of polynuclear aromatic hydrocarbons, where the limit of detection is in the submicrogram range

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