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