Stern-Volmer plot. The table shows intensity and lifetime data for luminescence of the ruthenium complex in Figure

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Stern-Volmer plot. The table shows intensity and lifetime data for luminescence of the ruthenium complex in Figure 19-21 for a range of oxygen concentrations.

a. Why does the luminescence intensity decrease as the oxygen concentration increases?
b. Plot a Stern-Volmer graph based on fluorescence intensity. Is the calibration linear?
c. Plot a Stern-Volmer graph based on fluorescence lifetime. What type of quenching is indicated by the plot?

Figure 19-21

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Quantitative Chemical Analysis

ISBN: 9781319164300

10th Edition

Authors: Daniel C. Harris, Charles A. Lucy

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