Fig. 5From: New method for sequestration of silver nanoparticles in aqueous media: in route toward municipal wastewaterTEM images of a Ag NPs citrate; b Ag NPs citrate with NaSH in molar ratio NaSH/Ag NP 1:5 after sequestration; c, d Ag NP citrate with NaSH in molar ratio NaSH/Ag NP 1:5Back to article page