A new and simple method for benzene, toluene, ethylbenzene and o -xylene (BTEX) quantification in vehicle exhaust was developed based on diffusion controlled extraction onto a retracted solid-phase microextraction (SPME) fiber coating
A new and simple method for benzene, toluene, ethylbenzene and o -xylene (BTEX) quantification invehicle exhaust was developed based on diffusion controlled extraction onto a retracted solid-phasemicroextraction (SPME) fiber coating