Not known Facts About working of hplc system
The focus of polynuclear aromatic hydrocarbons (PAH) in soil is set by 1st extracting the PAHs with methylene chloride. The extract is diluted, if necessary, and the PAHs divided by HPLC using a UV/Vis or fluorescence detector. Calibration is achieved employing a number of external criteria. In a normal analysis a 2.013-g sample of dried soil is ex