201057.fig.003a
(a)
201057.fig.003b
(b)
201057.fig.003c
(c)
201057.fig.003d
(d)
201057.fig.003e
(e)
Figure 3: TEM and histogram of silver colloids having different concentrations of AgNPs (ppm) prepared using different concentrations of silver nitrate. (a), (b); 20000 ppm; (c), (d); 30000 ppm; (e) 40000 ppm. Applied condition: 5 gm NS; pH 12; time 60 min; temp. 70°C; different amounts of AgNO3 (3.14, 4.72, and 6.28 g); total volume, 100 mL H2O.