use of hplc Secrets
The focus of polynuclear aromatic hydrocarbons (PAH) in soil are based on first extracting the PAHs with methylene chloride. The extract is diluted, if necessary, and also the PAHs divided by HPLC using a UV/Vis or fluorescence detector. Calibration is achieved utilizing a number of exterior criteria. In a typical analysis a 2.013-g sample of dried