4.8 Article

Stibonium Ions for the Fluorescence Turn-On Sensing of F- in Drinking Water at Parts per Million Concentrations

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 37, Pages 15309-15311

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja308194w

Keywords

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Funding

  1. National Science Foundation [CHE-0952912]
  2. Welch Foundation [A-1423]
  3. Texas AM University
  4. Air Force Research Laboratory Space Vehicles Directorate [AF9453-08-C-0172]
  5. BGSU Research Enhancement Initiative
  6. Division Of Chemistry
  7. Direct For Mathematical & Physical Scien [0952912] Funding Source: National Science Foundation

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The 9-anthryltriphenylstibonium cation, [1](+), has been synthesized and used as a sensor for the toxic fluoride anion in water. This stibonium cation complexes fluoride ions to afford the corresponding fluorostiborane 1-F. This reaction, which occurs at fluoride concentrations in the parts per million range, is accompanied by a drastic fluorescence turn-on response. It is also highly selective and can be used in plain tap water or bottled water to test fluoridation levels.

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