Novel Eco-Friendly Synthesis of Biosilver Nanoparticles as a Colorimetric Probe for Highly Selective Detection of Fe (III) Ions in Aqueous Solution

Figure 5

UV-Vis spectroscopy monitoring the stability of bio-AgNPs synthesized from green tea extract (a), grapefruit peel (b), and mangosteen peel (c) over time.

(a)

(b)

(c)