VX and VG chemical warfare agents bidentate complexation with lanthanide ions

Genevieve Dennison; Mark Sambrook; Martin Johnston

doi:10.1039/c3cc46712k

VX and VG chemical warfare agents bidentate complexation with lanthanide ions

Genevieve Dennison, Mark Sambrook, Martin Johnston

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32 Citations (Scopus)

Abstract

Investigations into V-agent interaction with 1,10-phenanthroline nitrate Ln(iii) complexes (Eu and Tb) were carried out using luminescence and UV-Vis spectroscopy. Addition of several equivalents of agent resulted in the loss of luminescence intensity and the observation of free 1,10-phenanthroline by UV-Vis. We propose a displacement mechanism in which the V-agent acts as a bidentate ligand to the lanthanide ion. Association constants were determined by luminescence titrations and found to be 10⁵ mol^-1 dm ³.

Original language	English
Pages (from-to)	195-197
Number of pages	3
Journal	Chemical Communications
Volume	50
Issue number	2
DOIs	https://doi.org/10.1039/c3cc46712k
Publication status	Published - 28 Nov 2014

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abstract = "Investigations into V-agent interaction with 1,10-phenanthroline nitrate Ln(iii) complexes (Eu and Tb) were carried out using luminescence and UV-Vis spectroscopy. Addition of several equivalents of agent resulted in the loss of luminescence intensity and the observation of free 1,10-phenanthroline by UV-Vis. We propose a displacement mechanism in which the V-agent acts as a bidentate ligand to the lanthanide ion. Association constants were determined by luminescence titrations and found to be 105 mol-1 dm 3.",

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N2 - Investigations into V-agent interaction with 1,10-phenanthroline nitrate Ln(iii) complexes (Eu and Tb) were carried out using luminescence and UV-Vis spectroscopy. Addition of several equivalents of agent resulted in the loss of luminescence intensity and the observation of free 1,10-phenanthroline by UV-Vis. We propose a displacement mechanism in which the V-agent acts as a bidentate ligand to the lanthanide ion. Association constants were determined by luminescence titrations and found to be 105 mol-1 dm 3.

AB - Investigations into V-agent interaction with 1,10-phenanthroline nitrate Ln(iii) complexes (Eu and Tb) were carried out using luminescence and UV-Vis spectroscopy. Addition of several equivalents of agent resulted in the loss of luminescence intensity and the observation of free 1,10-phenanthroline by UV-Vis. We propose a displacement mechanism in which the V-agent acts as a bidentate ligand to the lanthanide ion. Association constants were determined by luminescence titrations and found to be 105 mol-1 dm 3.

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JO - Chemical Communications

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VX and VG chemical warfare agents bidentate complexation with lanthanide ions

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