Fig. 7

Effect of contact time on the % dye removal of (a) Orange-II and (b) Sudan black dyes. pH Points of zero charge analysis of phyco-synthesized (c) SSB-SN and (d) CSS-SN nanoparticles.

Effect of contact time on the % dye removal of (a) Orange-II and (b) Sudan black dyes. pH Points of zero charge analysis of phyco-synthesized (c) SSB-SN and (d) CSS-SN nanoparticles.