Lexikon

a chromatographic technique which employs a liquid mobile phase. The separation is based on the partition of components between the mobile and the stationary phase. The High Performance liquid chromatography (HPLC) is widely used in the environmental analysis.

detection system in liquid chromatography based on absorption of ultraviolet light. Based on their absorbance spectra certain compounds such as PAHs can be identified. The absorbance is proportional to the quantity (concentration) of the analyte.