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Fluorometric study of the beryllium-morin system

Analytical Chemistry

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Abstract

Three principal beryllium-morin complexes, a (1 + 1) monomer, a (1 + 1) dimer, and a (1 + 2) complex are found and conditional equilibrium constants for their formation are evaluated. Approximate ionization constants, absorption spectra, and the relative fluorescence intensities for five ionic species of morin are also determined in a spectrophotometric and fluorometric study of morin. The following interrelationships are discussed: pH, ionization of morin, absorption spectra of the various ionic species of morin and of the berylliummorin complexes, equilibria for the reactions between beryllium and morin, the period of time between preparation of the solution and measurement of the fluorescence, and fluorescence intensity.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Fluorometric study of the beryllium-morin system
Series title:
Analytical Chemistry
Volume
37
Issue:
4
Year Published:
1965
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
550
Last page:
557
Number of Pages:
8