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A modified multisite Stern-Volmer equation for the determination of conditional stability constants and ligand concentrations of soil fulvic acid with metal ions.

• Michael D Hays, David K. Ryan, Stephen Pennell
• Analytical chemistry
• 2004

In this work, we modify the multisite Stern-Volmer (MSV) equation for fitting fluorescence titration curves. Under the condition of a static quenching mechanism, the MSV postulates an underlying 1:1… (More)

Multi-wavelength fluorescence-quenching model for determination of Cu2+ conditional stability constants and ligand concentrations of fulvic acid.

• Michael D Hays, David K. Ryan, Stephen Pennell
• Applied spectroscopy
• 2003

In this work, a multi-wavelength model (MWM) is developed. It uses fluorescence bands in the fulvic acid (FA) spectrum that quench upon binding of inorganic Cu2+ to FA. Quenching data at pH values of… (More)

Characterizing the interaction between uranyl ion and fulvic acid using regional integration analysis (RIA) and fluorescence quenching.

• Bingqi Zhu, David K. Ryan
• Journal of environmental radioactivity
• 2016

The development of chemometric methods has substantially improved the quantitative usefulness of the fluorescence excitation-emission matrix (EEM) in the analysis of dissolved organic matter (DOM).… (More)

Selective recognition of Ca ions using novel polymeric phenols

• Sumit Kumar, Rahul Tyagi, +4 authors Virinder Singh Parmar
• 2008

In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information… (More)

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