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A new chalcone‐based probe for the chromofluorogenic sensing of trivalent (Al3+, Fe3+, Cr3+, Ga3+, In3+ and As3+) over mono‐ and divalent cations and anions is reported. In the presence of trivalent metal cations, the probe was able to display a remarkable color change from yellow to colorless that was clearly visible to the naked eye. Also, the initial strong yellow emission was gradually quenched and substituted by a weakly shifted band.
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Santos‐Figueroa et al. (2015) studied this question.
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