Research Article
Highly Selective Hg (II) Ion Detection Based on Linear Blue-Shift of the Maximum Absorption Wavelength of Silver Nanoparticles
Figure 3
The influence of acidity. Concentration: AgNPs: 5.0 × 10−5 mol/L−1; Hg (II) ion: 6.0 × 10−6 mol/L; the pH of HAc-NaAc buffer (from 1 to 5): 3.8, 4.4, 5.0, 5.6, 6.2.
