Kinetic analysis of the abnormal fluorimetric titration behaviour of naphthylamines
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1980
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Chemical Physics Letters. 1980, 73(1), pp. 139-144. ISSN 0009-2614. Available under: doi: 10.1016/0009-2614(80)85221-3
Zusammenfassung
The fluorimetric titration behaviour of naphthylamines is abnormal in that the sum of the reduced quantum yields of conjugated acid and base passes through a minimum. Based on fluorescence quantum yield and lifetime measurements, we explain this behaviour by two independent mechanisms: A diabatic quenching of the excited base by protons and a decrease of the excited cation's protolytic dissociation in the hyperacidic region. Though apparently independent processes, their rate constants can be shown to be related to each other by a quasi-thermodynamical equation.
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540 Chemie
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HAFNER, Friedrich, Jörg WÖRNER, Ulrich STEINER, Manfred HAUSER, 1980. Kinetic analysis of the abnormal fluorimetric titration behaviour of naphthylamines. In: Chemical Physics Letters. 1980, 73(1), pp. 139-144. ISSN 0009-2614. Available under: doi: 10.1016/0009-2614(80)85221-3BibTex
@article{Hafner1980Kinet-9535, year={1980}, doi={10.1016/0009-2614(80)85221-3}, title={Kinetic analysis of the abnormal fluorimetric titration behaviour of naphthylamines}, number={1}, volume={73}, issn={0009-2614}, journal={Chemical Physics Letters}, pages={139--144}, author={Hafner, Friedrich and Wörner, Jörg and Steiner, Ulrich and Hauser, Manfred} }
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