Fig. 1.
The excitation and emission spectra.
The excitation (a) and emission (b) spectra of Rutin (1), Rutin-Y3+ (2) and Rutin-Y3+-SDBS (3). Concentrations: Y3+: 1.5×10-4 mol/l, Rutin: 1.0×10-6 mol/l, SDBS: 5.0×10-3 mol/l, pH=9.5.
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