Please use this identifier to cite or link to this item: https://idr.l2.nitk.ac.in/jspui/handle/123456789/10975
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dc.contributor.authorSrikala, P.
dc.contributor.authorTarafder, K.
dc.contributor.authorTrivedi, D.R.
dc.date.accessioned2020-03-31T08:23:30Z-
dc.date.available2020-03-31T08:23:30Z-
dc.date.issued2017
dc.identifier.citationSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2017, Vol.170, , pp.29-38en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/10975-
dc.description.abstractA new organic receptor has been designed and synthesized by the combination of aromatic dialdehyde with nitro-substituted aminophenol resulting in a Schiff base compound. The receptor exhibited a colorimetric response for F? and AcO? ion with a distinct color change from pale yellow to red and pink respectively in dry DMSO solvent and yellow to pale greenish yellow in DMSO:H2O (9:1, v/v). UV Vis titration studies displayed a significant shift in absorption maxima in comparison with the free receptor. The shift could be attributed to the hydrogen bonding interactions between the active anions and the hydroxyl functionality aided by the electron withdrawing nitro substituent on the receptor. 1H NMR titration and density functionality studies have been performed to understand the nature of interaction of receptor and anions. The lower detection limit of 1.12 ppm was obtained in organic media for F? ion confirming the real time application of the receptor. 2016en_US
dc.titleDesign and synthesis of a new organic receptor and evaluation of colorimetric anion sensing ability in organo-aqueous mediumen_US
dc.typeArticleen_US
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