
Keywords: AAPTS, N-(2-aminoethyl)-3-aminopropyltrimethoxysilane; AES, atomic emission spectrometry; APDC, ammonium pyrrolidine dithiocarbamate; ASV, anodic stripping voltammetry; ATR-FTIR, attenuated total reflectance Fourier transform infrared spectroscopy; AuNP,