Optical detection of Copper and Cadmium from Aqueous solution using Arylidenemalanonitriles

We have synthesized new fluorescent organic molecules namely arylidene malanonitriles, through Knovenegal condensation reaction of aryl aldehydes and malanonitrile, which are capable of detectingCd2+and Cu2+ ions in water with sensitivity. The synthesized molecules are characterized through infrared...

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Bibliographic Details
Published in:Asian Journal of Research in Chemistry 2022-02, Vol.15 (1), p.19-26
Main Authors: Parkavi, R, Madhan, G, Srinivasan, K, Sathishkumar, K, Chandramohan, A, Dinakaran, K
Format: Article
Language:English
Subjects:
Aqueous solutions
Cadmium
Copper
Drinking water
Heavy metals
Scientific imaging
Selectivity
Sensitivity
Sensors
Visual perception
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Summary:We have synthesized new fluorescent organic molecules namely arylidene malanonitriles, through Knovenegal condensation reaction of aryl aldehydes and malanonitrile, which are capable of detectingCd2+and Cu2+ ions in water with sensitivity. The synthesized molecules are characterized through infrared spectrometry, high resolution Mass spectrometry and Nuclear Magnetic Resonance spectroscopy. The fluorescent organic molecules exhibited a fluorescent emission and significant UV-Vis absorption, the intensity of which is increased proportional to the addition of Cd2+ and Cu2+ ions. The lowest detection limit for the Cd2+and Cu2+ were found to be 2.0×10-10 M and 4×10-12 M, respectively.
ISSN:0974-4169
0974-4150
DOI:10.52711/0974-4150.2022.00003