
Keywords: میکروسپرسهای پلی استایرن; In-syringe solid-phase extraction; On-site sampling; Pyrethroids; Hierarchical porous graphene aerogel; SPE; solid-phase extraction; GA; graphene aerogel; GO; graphene oxide; HPGA; hierarchical porous graphene aerogel; PS; polystyrene microspheres;