Long chain quinoline hydrazone gel factor, metal gel preparation thereof an application thereof for detecting cyanide ions

A kind of chain quinoline acyl hydrazone, gel-like technology, applied in the field of anion detection, can solve problems such as cyanide toxicity

Inactive Publication Date: 2013-09-11
NORTHWEST NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, cyanide is highly toxic and easily absorbed by the body

Method used

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  • Long chain quinoline hydrazone gel factor, metal gel preparation thereof an application thereof for detecting cyanide ions
  • Long chain quinoline hydrazone gel factor, metal gel preparation thereof an application thereof for detecting cyanide ions
  • Long chain quinoline hydrazone gel factor, metal gel preparation thereof an application thereof for detecting cyanide ions

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[0041] The following examples are used to prepare the gel factor and organometallic gel of the present invention and identify CN in fluorescence colorimetry. - For further explanation.

[0042] 1. Gel factor-synthesis of quinoline-2-methylene-3,4,5-tris(hexadecyloxy)benzoylhydrazone

[0043] (1) Synthesis of methyl 3,4,5-tris(hexadecyloxy)benzoate: Add 0.92g (5.0mmol) of methyl gallate, 4.2g (30.0mmol) of anhydrous K 2 CO 3 , 1.20g (7.0mmol) of KI and 30mL of acetone were mixed, heated to 60°C, refluxed for 2h, then slowly added dropwise 1.49g (18.0mmol) of 1-bromo-n-hexadecane, and refluxed for 72h. After the reaction is complete, evaporate the acetone and add CHCl 3 Extract three times, filter, and wash the filtrate with distilled water once, then with 2% NaOH solution for two times, then with saturated NaCl solution for three times, and finally with anhydrous Na 2 SO 4 Dry and remove all CHCl by rotary evaporation 3 , The product 3,4,5-tris(hexadecyloxy) benzoic acid methyl ester...

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Abstract

The invention discloses a long chain quinoline hydrazone gel factor, wherein the long chain quinoline hydrazone gel factor can form stable organic metal gel when being dissolved in such organic solvents with copper ions as DMF (Dimethyl Formamide), and the organic metal gel has no fluorescence. When an aqueous solution of CN<-> is added into the organic metal gel, the color of the gel changes and green fluorescence is generated at the same time, while similar color and fluorescence phenomena cannot be generated when adding other anions. Therefore, L1-Cu<2+> organic metal gel can be used for singly and selectively performing colorimetric-fluorescence recognition on CN<-> in water, and other anions generate no interference on the recognition process, thereby capable of being used for conveniently and quickly detecting cyanide ions. The strong metal gel is good in stability, liable to store and carry and convenient to use, thereby having potential application value.

Description

technical field [0001] The invention belongs to the technical field of anion detection, and relates to a gel factor capable of colorimetric-fluorescence detection of cyanide ions, in particular to a long-chain quinolinylhydrazone gel factor. The invention also relates to an organometallic gel prepared by using long-chain quinoline acylhydrazones as gel factors and the application of the organometallic gel in fluorescence-colorimetric identification of cyanide ions. Background technique [0002] Cyanide is widely used in metallurgy, tanning, electroplating and other chemical processes, and plays an important role in industrial production. However, cyanide is highly toxic and easily absorbed by the human body, and can enter the human body through the mouth, respiratory tract or skin. When cyanide enters the stomach, under the dissociation of gastric acid, it can be immediately hydrolyzed into hydrocyanic acid and absorbed. After this substance enters the blood circulation, t...

Claims

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Application Information

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IPC IPC(8): C07D215/12C07F1/08C09K11/06G01N21/78G01N21/64
Inventor 林奇逯桃桃朱鑫符永鹏魏太保张有明
Owner NORTHWEST NORMAL UNIVERSITY
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