Lanthanide complexes as luminogenic probes to measure sulfide levels in industrial samples

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Author list: Thorson MK, Ung P, Leaver FM, Corbin TS, Tuck KL, Graham B, Barrios AM
Publisher: Elsevier: 12 months
Publication year: 2015
Volume number: 896
Start page: 160
End page: 165
Number of pages: 6
ISSN: 0003-2670
Languages: English-Great Britain (EN-GB)


Abstract

A series of lanthanide-based, azide-appended complexes were investigated as hydrogen sulfide-sensitive probes. Europium complex 1 and Tb complex 3 both displayed a sulfide-dependent increase in luminescence, while Tb complex 2 displayed a decrease in luminescence upon exposure to NaHS. The utility of the complexes for monitoring sulfide levels in industrial oil and water samples was investigated. Complex 3 provided a sensitive measure of sulfide levels in petrochemical water samples (detection limit similar to 250 nM), while complex 1 was capable of monitoring mu M levels of sulfide in partially refined crude oil. (C) 2015 Elsevier B.V. All rights reserved.


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Last updated on 2019-23-08 at 11:15