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

<div>Colorimetric sensing of Hg<sup>2+</sup> ion: (a) digital photograph, (b) UV-Vis absorption spectra of AgNPs before and after adding different volume of HgCl<sub>2</sub> solution for 30 seconds, and (c) the function curve of the absorbance value versus the volume of Hg<sup>2+</sup> in the range of 200–1400 <i>μ</i>L at pH 7.2.</div>

Journal of Analytical Methods in Chemistry

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Figure 10

Figure 10: Colorimetric Detection Based on Localized Surface Plasmon Resonance Optical Characteristics for Sensing of Mercury Using Green-Synthesized Silver Nanoparticles 

Figure 10 | Colorimetric Detection Based on Localized Surface Plasmon Resonance Optical Characteristics for Sensing of Mercury Using Green-Synthesized Silver Nanoparticles 