QUANTITATIVE SPECTROFLUORIMETRY‐THE FLUORESCENCE QUANTUM YIELD OF QUININE SULFATE

作者: J. W. Eastman

DOI: 10.1111/J.1751-1097.1967.TB08790.X

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摘要: Abstract— By idealizing the design of a typical spectrofluorimeter that measures fluorescence from dilute solutions, we are able to derive an equation predicts dependence observable amplitude on concentration solute and several instrumental parameters. The result derivation, function, is used together with measurements rhodamine B colloidal silica scattering calibrate spectrofluorimeter. The function calibration data determine absolute quantum yield quinine sulfate in 0–1 N H2 So4. results, O250=0.582 excitation at 250 mμ, adn O350=0.577 350mμ. agree well previous evaluation Melhuish, O345=0.546.

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