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Using Smartphone APP To Determine the CN- Concentration Quantitatively in Tap Water: Synthesis of the Naked-Eye Colorimetric Chemosensor for CN- and Ni2+ Based on Benzothiazole.
Bai, Cui-Bing; Liu, Xin-Yu; Zhang, Jie; Qiao, Rui; Dang, Kun; Wang, Chang; Wei, Biao; Zhang, Lin; Chen, Shui-Sheng.
Afiliación
  • Bai CB; School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Liu XY; Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Zhang J; School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Qiao R; School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Dang K; School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Wang C; Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Wei B; School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Zhang L; School of Chemistry and Materials Engineering, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
  • Chen SS; Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, China.
ACS Omega ; 5(5): 2488-2494, 2020 Feb 11.
Article en En | MEDLINE | ID: mdl-32064409
A naked-eye colorimetric chemosensor DK based on benzothiazole could recognize CN- effectively. When DK interacted with CN- in the aqueous solution, the obvious color change of the solution was directly observed by the naked eye. Other anions did not cause any interference. It is interesting that DK could also discriminate Ni2+ from other cations, and the possible interaction mode between them was verified based on the Job's plot, 1H nuclear magnetic resonance titration, infrared , electrospray ionization mass spectrometry, scanning electron microscopy analysis, and density functional theory calculation methods. As a result, it is clear that the mode of action between DK and CN- was different from that between DK and Ni2+. Meanwhile, the limit of detection of DK toward CN- and Ni2+ was calculated to be 1.7 × 10-8 or 7.4 × 10-9 M, respectively. In addition, CN- was recognized qualitatively by a test paper and silica gel plates made from DK. DK was able to detect CN- in tap water quantitatively, rapidly, and on-site by the use of a smartphone APP. All results implied that DK has certain prospects for practical application to identify CN- in water.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Omega Año: 2020 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Omega Año: 2020 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos