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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >A novel colorimetric sensor of dihydrogen-phosphate based on metal complex between 8-hydroxy quinoline-5-azo-4'-nitrobenzene and cobalt
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A novel colorimetric sensor of dihydrogen-phosphate based on metal complex between 8-hydroxy quinoline-5-azo-4'-nitrobenzene and cobalt

机译：基于8-羟基喹啉-5-偶氮-4'-硝基苯和钴之间金属配合物的磷酸二氢比色传感器

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摘要

A novel colormictric sensor based on 8-hydroxy quinoline-5-azo-4'-nitrobenzene (1) was prepared and used for recognizing anions. 1 and its metal complex (1.Co) were found to show response to anions such as CH3CO2-, H2PO4-, HSO4, F- and dramatic color changes were observed. The selectivity and sensitivity of 1 and 1.Co for sensing anions were different, which was in the order of CH3CO2- > F- > H2PO4- > HSO4- for 1 and H2PO4- > HSO4- > CH3CO2- similar to F- for 1.Co, respectively. In CH3CN, sensor 1.Co exhibited excellent specificity toward H2PO4-, and the color variety was dependent on the concentration of H2PO4- which was attributed to anion structure and stability of anionic complex (1-anion), metal complex (1.Co) and inorganic complex (Co-anion). (c) 2006 Elsevier B.V. All rights reserved.
机译：制备了一种基于8-羟基喹啉-5-偶氮-4'-硝基苯的新型比色传感器（1），并用于识别阴离子。发现1及其金属配合物（1.Co）对阴离子（例如CH3CO2-，H2PO4-，HSO4，F-）具有响应，并观察到显着的颜色变化。 1和1.Co对阴离子的选择性和灵敏度不同，对于1而言依次为CH3CO2-> F-> H2PO4-> HSO4-，对于1而言，H2PO4-> HSO4-> CH3CO2-类似于F-。 .Co。在CH3CN中，传感器1.Co对H2PO4-表现出优异的特异性，并且颜色变化取决于H2PO4-的浓度，这归因于阴离子结构和阴离子配合物（1-阴离子），金属配合物（1.Co）的稳定性。和无机络合物（共阴离子）。 （c）2006 Elsevier B.V.保留所有权利。

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