Research Article

Colorimetric Detection Based on Localized Surface Plasmon Resonance Optical Characteristics for Sensing of Mercury Using Green-Synthesized Silver Nanoparticles

Figure 8

(a) Photo of the green-synthesized AgNPs solution towards various trivalent metal ions, (b) UV-Vis absorbance of the AgNPs before and after adding 1 mL of different trivalent metal ions, and (c) absorption ratio (∆A) of AgNPs with various trivalent metal ions.
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