Nicotine and what else?: HPLC elution optimization for the analysis of alkaloids found in electronic cigarettes Semantic Scholar HPLC DETERMINATION OF ETOPOSIDE IN INJECTABLE DOSAGE FORMS HPLC (High Performance Liquid Chromatography) is an advanced analytical technique used to separate, identify, and quantify components present in a mixture. It works by passing a liquid sample through a packed column ExionLC 2.0 System for UHPLC