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Journal of Analytical Science and Technology
Fig. 5 | Journal of Analytical Science and Technology

Fig. 5

From: A new simple method for determining the critical micelle concentration of surfactants using surface plasmon resonance of silver nanoparticles

Fig. 5

The SPR spectra of AgNPs in aqueous solutions of the different concentrations of SDS (a) and plot of the absorbance intensity of AgNPs as a function of molar concentration of SDS at 410 nm (b). Conditions: 2.0 mL AgNO3 solution (2.0 × 10−3 mol L−1); 1.0 mL NaBH4 (1.0 × 10−2 mol L−1); 2.0 mL KH2PO4 buffer solution (pH 8.0); appropriate volumes of SDS solutions of (a) 0.0, (b) 2.0, (c) 4.0, (d) 6.0, (e) 7.0, (f) 8.0, (f) 8.5, (g) 9.0, (h) 10.0, (i) 11.0, and (j) 12.0 mmol L−1

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