HEYDARI, R.; SHAKARAMI, A.; KAYKHAII, M. DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN SOIL SAMPLES USING ULTRASONIC PROBE AND SALT-ASSISTED LIQUID-LIQUID EXTRACTION COUPLED WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY. Journal of the Chilean Chemical Society, v. 64, n. 1, 27 Mar. 2019.