Fig. 13. Spectroscopic titration of DS-BTrzPhen (1) with Eu(NO3)3 in neutral water (I = 0.01 M Me4NNO3); initial conditions: [DS-BTrzPhen (1)] = 1 × 10−5 M, volume = 2.0 mL; titrant: [Eu(NO3)3] = 1 mM.
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