About what is hplc used for
The focus of polynuclear aromatic hydrocarbons (PAH) in soil are determined by to start with extracting the PAHs with methylene chloride. The extract is diluted, if necessary, and the PAHs separated by HPLC using a UV/Vis or fluorescence detector. Calibration is reached applying a number of external requirements. In a normal analysis a two.013-g sa