Selective optical recognition and quantification of parts per million levels of Cr(6+) in aqueous and organic media by immobilized polypyridyl complexes on glass

Graham de Ruiter; Tarkeshwar Gupta; Milko E van der Boom

doi:10.1021/ja7110527

Selective optical recognition and quantification of parts per million levels of Cr(6+) in aqueous and organic media by immobilized polypyridyl complexes on glass

J Am Chem Soc. 2008 Mar 5;130(9):2744-5. doi: 10.1021/ja7110527. Epub 2008 Feb 8.

Authors

Graham de Ruiter¹, Tarkeshwar Gupta, Milko E van der Boom

Affiliation

¹ Department of Organic Chemistry, The Weizmann Institute of Science, Rehovot 76100, Israel.

PMID: 18257573
DOI: 10.1021/ja7110527

Abstract

Selective optical sensing of parts per million levels of Cr(6+) in water under acidic conditions with robust, osmium-chromophore-based monolayers is demonstrated. The sensor system can be reset by washing with water at neutral pH and can be readily monitored by UV/vis spectroscopy.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Acetonitriles / chemistry*
Chromates / analysis*
Glass / chemistry
Optics and Photonics*
Organometallic Compounds / chemistry*
Osmium / chemistry
Pyridines / chemistry*
Silicon / chemistry
Spectrophotometry, Ultraviolet / methods
Surface Properties
Water / chemistry

Substances

Acetonitriles
Chromates
Organometallic Compounds
Pyridines
Water
Osmium
Silicon