Multi-Wavelength Fluorescence-Quenching Model for Determination of Cu2+ Conditional Stability Constants and Ligand Concentrations of Fulvic Acid
β Scribed by Hays, Michael D.; Ryan, David K.; Pennell, Stephen
- Book ID
- 115364917
- Publisher
- Society for Applied Spectroscopy
- Year
- 2003
- Tongue
- English
- Weight
- 212 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0003-7028
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π SIMILAR VOLUMES
The equilibrium dialysis-ligand exchange technique (EDLE) has been adapted to measure conditional stability constants for the complexation of metal ions with fulvic acid. Since fulvic acid permeates across the membrane during the experiment, the quantities involved have to be determined analytically
The compound 2-hydroxy-l-carbazole carboxylate (HCC-) exhibits a shift in its fluorescence spectrum upon binding to ahunin~ in aqueous solution. Fluorescence studies at a variety of solution pHs and aluminum concentrations have been used to determine the most probable species in solution and binding