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- W2000625408 abstract "In this work, we provided a fluorescent sensor based on a compound containing fluorophore quinazoline ketone for detecting metal ions. 2-Methyl-4(3 H)-quinazoline thione was synthesised as a fluorescent probe for tervalent ferric ion (Fe3+) detection. Fluorescent determination of 2-methyl-4(3 H)-quinazoline thione indicated its maximum emission wavelength of 306.5 nm. The fluorescence interference and titration experiments have shown that the compound has a high selective fluorescence response to Fe3+. With an increase in the Fe3+ ion concentration, the fluorescence emission strength gradually weakened, and a slight red shift appeared. With Job’s method, 2-methyl-4(3 H)-quinazoline thione was proved to form a 1:2 complex with Fe3+. The results revealed that 2-methyl-4(3 H)-quinazoline thione could be used as a fluorescent probe for the recognition of Fe3+ with high selectivity." @default.
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- W2000625408 date "2015-04-30" @default.
- W2000625408 modified "2023-09-24" @default.
- W2000625408 title "A fluorescent sensor based on quinazoline ketone derivatives for selectivity of Fe<sup>3+</sup>" @default.
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- W2000625408 doi "https://doi.org/10.1080/03067319.2015.1036866" @default.
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