columns used in HPLC Options
The concentration of polynuclear aromatic hydrocarbons (PAH) in soil is decided by initial extracting the PAHs with methylene chloride. The extract is diluted, if necessary, as well as the PAHs divided by HPLC using a UV/Vis or fluorescence detector. Calibration is achieved utilizing one or more external criteria. In an average analysis a 2.013-g s