Figure 2: CL intensity–time profile of of Dy3+-FLX -KMnO4-Na2S2O3 system KMnO4, 2.5×10-4 M; Na2S2O3,7.5×10-5 M; Dy3+, 4×10-4 M; H6P4O13, 2×10-5 M; FLX: 1×10-5 g/mL.