1,4-bis(4-diethylaminobenzyl)-2,3-diaza-1,3-butadiene (dye 1) has been synthesized. Dye 1 behaves as a colorimetric and fluorescent chemosensor for trivalent metal ions (Fe3+, Cr3+and Al3+) in solution. The stoichiometry of the reaction between dye 1 and the metal ions Fe3+, Al3+ and Cr3+ was determined to be 1:1 by the Method of Continuous Variation. The limit of detection for Al3+, Cr3+, and Fe3+, were determined to be 0.117 µM, 1.28 µM, and 0.1063 µM, respectively.

Synthesis of a fluorescent and colorimetric chemosensor for detection of trivalent cations

2019 Spring National Meeting

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