Research Article

Degradation of Methylene Blue Using Biologically Synthesized Silver Nanoparticles

Figure 1

Visual identification of silver nanoparticles synthesized by M. tinctoria leaf extract at pH 8.6 as recorded at different functional time ((a) initial, (b) 10 min, (c) 30 min, (d) 1 h, (e) 2 h, and (f) 4 h). The formation of dark brown colour revealed the formation of silver nanoparticles in the reaction mixture.
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(a)
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(b)
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(c)
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(d)
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(e)
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(f)