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- W2376957172 abstract "With the aid of combining 1,8-naphthalene with benthiazole through bis-triazene group, a new fluorescent reagent 1,8-bis(2-benthiazolydiazoamino)naphthalene(BBTANP) was synthesized and confirmed by means of elemental analysis, 1H NMR and infrared spectra. A chelate complex was formed by the reaction between BBTANP and Cu(Ⅱ) in a weak basic medium, which resulted in fluorescence enhancement. The possible response mechanism of BBTANP to Cu(Ⅱ) was discussed. The reaction showed a high selectivity and a high sensitivity for Cu(Ⅱ). A new spectrofluorimetric method for the determination of trace Cu(Ⅱ) with this reagent was developed. The excitation and emission wavelengths of BBTANP/Cu(Ⅱ) system were 362 and 459 nm in a basic medium, respectively. Under the optimal conditions, a linear response to copper was obtained in the concentration range from 8.0×10-7 to 1.0×10-5 mol/L, and the detection limit was 1.3×10-7 mol/L. The method is selective, sensitive and simple. It has been used to determine trace copper in lake water with satisfactory results." @default.
- W2376957172 created "2016-06-24" @default.
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- W2376957172 date "2008-01-01" @default.
- W2376957172 modified "2023-09-23" @default.
- W2376957172 title "Synthesis and Analytical Application of a New Heterocyclic Triazene Fluorescent Reagent 1,8-Bis(2-benthiazolydiazoamino) naphthalene" @default.
- W2376957172 hasPublicationYear "2008" @default.
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