Although the concentration of polar PAHs in environmental media is generally lower than the parent PAHs, these pollutants have received increasing attention in recent years
Although the concentration of polar polycyclic aromatic hydrocarbons in environmental media is generally lower than that of mother polycyclic aromatic hydrocarbons, these pollutants have received more and more attention in recent years.
Although the concentration of polar PAHs in environmental media is generally lower than that of parent PAHs, these pollutants have been paid more and more attention in recent years