hplc as per usp Fundamentals Explained
The concentration of polynuclear aromatic hydrocarbons (PAH) in soil are based on initially extracting the PAHs with methylene chloride. The extract is diluted, if vital, and also the PAHs divided by HPLC using a UV/Vis or fluorescence detector. Calibration is realized employing one or more external benchmarks. In a typical analysis a 2.013-g sampl