how HPLC works Secrets
The concentration of polynuclear aromatic hydrocarbons (PAH) in soil is set by very first extracting the PAHs with methylene chloride. The extract is diluted, if necessary, as well as the PAHs divided by HPLC utilizing a UV/Vis or fluorescence detector. Calibration is accomplished using a number of exterior benchmarks. In a standard Evaluation a 2.