CALIBRATION METHOD FOR REDUCING EFFECT OF SOIL TYPE ON FLUORESCENCE INTENSITY OF POLYCYCLIC AROMATIC HYDROCARBONS

The present invention discloses a calibration method for reducing the effect of a soil type on the fluorescence intensity of polycyclic aromatic hydrocarbons. In the present invention, firstly, multiple 5 different types of soil specimens are prepared, and soil samples having the same concentration of polycyclic aromatic hydrocarbons are prepared from the soil specimens to form multiple experimental samples; then, by the combination of the fluorescence spectrum technology and the near-infrared diffuse reflection spectrum technology, the corresponding fluorescence intensity matrix F and calibrated matrix G are established respectively, and the aforementioned matrices are used for calibration to reduce the effect ofthe soil type on the fluorescence intensity ofthe PAHs. Adopting this method can quickly and effectively achieve calibration ofthe effect ofthe soil type on the fluorescence intensity ofthe polycyclic aromatic hydrocarbons, which provides theoretical and experimental bases forthe application ofthe fluorescence spectrum technology in the on-site detection ofthe polycyclic aromatic hydrocarbons in the soil.