Enhancement of Congo Red-Neomycin Resonance Rayleigh Scattering by Dodecyl Trimethyl Ammonium Bromide and its Application

Figure 4

Resonant Rayleigh scattering spectra after addition of cationic surfactant to congo red-neomycin system. The concentration of tetradecyl trimethyl ammonium bromide and cetyl trimethyl ammonium bromide: 0.2, 0.5, 1, 2, 3, 4, 5 × 10⁻⁵ mol·L⁻¹.