NDLI: Novel chromogenic selective sensors for aqueous cyanide ions under high water content and real sample analysis

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Novel chromogenic selective sensors for aqueous cyanide ions under high water content and real sample analysis

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Novel chromogenic selective sensors for aqueous cyanide ions under high water content and real sample analysis

Content Provider	Royal Society of Chemistry (RSC)
Author	Balamurugan, Gopal Velmathi, Sivan
Copyright Year	2016
Abstract	Novel chromogenic receptors (R1–R2) containing anthraquinone as the signalling unit and imidazole as the binding unit were designed to enhance the sensing action in an aqueous medium. R1 showed an obvious color change from yellow to red for aqueous CN− ions among other anions, even under 8 : 2 H2O : DMSO medium. R2 showed good sensitivity with micromolar detection limit for cyanide ions in aqueous media. The binding stoichiometry of the complexes formed by cyanide ions with receptors was found to be 1 : 1. In addition, 1H NMR titration and DFT theoretical studies supported the results. Real sample analysis of cyanide in domestic water samples and cow urine samples were obtained quantitatively.
Starting Page	1705
Ending Page	1710
Page Count	6
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	8
Issue Number	7
Journal	Analytical Methods
DOI	10.1039/c5ay03178h
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cyanide Stoichiometry Anthraquinone Properties of water DMSO Imidazole Dimethyl sulfoxide Nuclear magnetic resonance spectroscopy Titration Aqua omnium florum Chromogenic
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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