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Fluorescent Dyes  >  Fluorescence Technologies and Their Applications  >>  Quinine sulfate Dihydrate *Fluorescence Reference Standard

Product Name Quinine sulfate Dihydrate *Fluorescence Reference Standard
Size 100 mg
Catalog # AS-80040
US$ $66

Reference standard for measuring fluorescence quantum yield

This is a graph of the molar extinction coefficient of Quinine Sulfate dissolved in 0.5 M H2SO4. Quinine sulfate in 0.5 M H2SO4 has a molar extinction coefficient of 5,700 M-1cm-1 at 347.5 nm. Quinine in acidic media has been widely recommended as a standard for static fluorescence yield determinations. Quinine is less applicable to time-resolved studies, because its fluorescence decay is not monophasic. This is the fluorescence emission spectrum of Quinine sulfate dissolved in 0.5 M H2SO4. The spectrum was taken using an excitation wavelength of 310 nm. The quantum yield is 0.546.

Detailed Information Material Safety Data Sheets (MSDS)
Storage -20C desiccated and protected from light
Molecular Weight 782.96
Spectral Properties Abs/Em = 348/455 nm
Solvent System Water
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