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Fluorescence quantum yields of some rhodamine dyes

✍ Scribed by R.F. Kubin; A.N. Fletcher

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
440 KB
Volume
27
Category
Article
ISSN
0022-2313

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✦ Synopsis

Fluorescence quantum yields of seven rhodamine dyes were measured relative to quinine sulfate dihydrate (QSH) in 1.0 N H 2S04. The values obtained were rhodamine 6G (0.95), B (0.65), 3B (0.45), 19 (0.95), 101 (0.96), 110 (0.92), 123 (0.90) at 25.0Β°C. Effects of temperature on the quantum yields of rhodamine B and QSH show a large temperature coefficient for rhodamine B and a significant one for QSH. Dye concentration was found to be critical in reporting observed fluorescence wavelength maxima.

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