Everything about columns used in HPLC
The focus of polynuclear aromatic hydrocarbons (PAH) in soil is set by 1st extracting the PAHs with methylene chloride. The extract is diluted, if vital, plus the PAHs separated by HPLC employing a UV/Vis or fluorescence detector. Calibration is accomplished making use of a number of external requirements. In an average analysis a 2.013-g sample of