Application of Molecule Wire Polymer in the Determination of Cyanide

Abstract

Abstract: A new method, molecule wire polymer, was developed for the determination of cyanide based on the competitive reaction. The fluorescence of the molecule wire polymer is quenched due to ion-association with Pd ²⁺ and restored when cyanide was added into the system. The linear detection range is 5×10^-6—2×10^-4 mol/L and the detection limit is 1×10^-7 mol/L for cyanide under optimal conditions. The possible mechanism of the method was investigated by using absorption spectra. This approach provides a potential useful method for anion detection with a high sensitivity and selectivity.

Key words: Molecule wire polymer, Cyanide, Fluorescence detection

CLC Number:

O656

TrendMD:

ZHAI Qiu-Ge, HUANG Hong-Mei, WANG Ke-Min, TAN Wei-Hong HUANG Shan-Sheng, JIN Yan, LI Bang-Rui . Application of Molecule Wire Polymer in the Determination of Cyanide[J]. Chem. J. Chinese Universities, 2005, 26(1): 46.

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Application of Molecule Wire Polymer in the Determination of Cyanide

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