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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 technology, applied in the field of anion detection, can solve problems such as cyanide toxicity

Inactive Publication Date: 2015-02-25
NORTHWEST NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, cyanide is highly toxic and easily absorbed by the body, entering the body through the mouth, respiratory tract or skin

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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Embodiment Construction

[0041] The preparation of the gel factor of the present invention, the organometallic gel and the identification of CN in fluorescence colorimetry are carried out through the examples below. - The application is further explained.

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

[0043] (1) Synthesis of methyl 3,4,5-trihexadecyloxybenzoate: 0.92 g (5.0 mmol) methyl gallate, 4.2 g (30.0 mmol) anhydrous K 2 CO 3 , 1.20g (7.0mmol) KI and 30 mL of acetone were mixed, heated to 60°C, and refluxed for 2h, then 5.49g (18.0mmol) of 1-bromo-n-hexadecane was slowly added dropwise thereto, and then refluxed for 72h. After the reaction was complete, evaporate the acetone to dryness, add CHCl 3 Extract 3 times, filter, wash the filtrate once with distilled water, then wash 2 times with 2% NaOH solution, then wash 3 times with saturated NaCl solution, and finally wash with anhydrous NaOH solution 2 SO 4 Dry, rotary evaporate to rem...

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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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Patent Type & Authority Patents(China)
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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