PANI, poly(aniline); MMT, montmorillonite; CNT, carbon nanotube; poly(p-ABSA), poly(p-aminobenzene sulfonic acid); Sb/GCE, antimony film glass carbon electrode; BDDE,
boron-doped diamond electrode; Gr, graphene; CPE, carbon paste electrode; SWASV, square-wave anodic stripping voltammetry; LSASV, linear sweep anodic stripping
voltammetry; DPASV, differential pulse anodic stripping voltammetry.