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Preparation method of luminous crystal material capable of selectively detecting Fe<3+> ions

A luminescent crystal, selective technology, applied in luminescent materials, organic chemistry methods, material analysis by optical means, etc., can solve the problems of application limitation, expensive technology, complexity, etc., to achieve easy control, good optical stability, process technology mild conditions

Active Publication Date: 2017-06-20
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, complex instruments have been used to detect Fe 3+ Ion is the main and most common detection method, but the application of these technologies is greatly limited due to the cost, complexity, and the need to solve the problem that the equipment can be moved at any time when used in the field

Method used

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  • Preparation method of luminous crystal material capable of selectively detecting Fe&lt;3+&gt; ions
  • Preparation method of luminous crystal material capable of selectively detecting Fe&lt;3+&gt; ions
  • Preparation method of luminous crystal material capable of selectively detecting Fe&lt;3+&gt; ions

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Embodiment 1

[0025] Embodiment 1: a kind of selective detection Fe of the present invention 3+ A method for preparing an ionic luminescent crystal material, comprising the following steps:

[0026] In the first step, 0.1 mmol of 4-amino-3,5-bis(3-pyridyl)-1,2,4-triazole (3-abpt) and 0.1 mmol of zinc nitrate hexahydrate were added to 5 mL of In the mixed solution of acetonitrile and N,N'-dimethylformamide (DMF), the volume ratio is 1:1, and the solution is obtained by stirring;

[0027] In the second step, 0.1 mmol of 1,4-naphthalene dicarboxylic acid (1,4-ndc) was added to the solution prepared in the first step, and stirred until clarification;

[0028] In the third step, the solution prepared in the second step is placed in a closed reaction kettle and heated to 90°C for 72 hours, and the temperature is slowly lowered at a rate of 3°C / h, and then filtered, washed, and dried to obtain the crystalline material {[Zn 2 (1,4-ndc) 2 (3-abpt)] H 2 O} n ;

[0029] Fe 3+ Ion-selective dete...

Embodiment 2

[0030] Embodiment 2: a kind of selective detection Fe of the present invention 3+ A method for preparing an ionic luminescent crystal material, comprising the following steps:

[0031] In the first step, 0.05 mmol of 4-amino-3,5-bis(3-pyridyl)-1,2,4-triazole (3-abpt) and 0.1 mmol of zinc nitrate hexahydrate were added to 5 mL of In the mixed solution of acetonitrile and N,N'-dimethylformamide (DMF), the volume ratio is 1:1, and the solution is obtained by stirring;

[0032] In the second step, 0.1 mmol of 1,4-naphthalene dicarboxylic acid (1,4-ndc) was added to the solution prepared in the first step, and stirred until clarification;

[0033] In the third step, the solution prepared in the second step is placed in a closed reaction kettle and heated to 90°C for 72 hours, and the temperature is slowly lowered at a rate of 3°C / h, and then filtered, washed, and dried to obtain the crystalline material {[Zn 2 (1,4-ndc) 2 (3-abpt)] H 2 O} n ;

[0034] Fe 3+ Ion-selective det...

Embodiment 3

[0035] Embodiment 3: a kind of selective detection Fe of the present invention 3+ A method for preparing an ionic luminescent crystal material, comprising the following steps:

[0036]In the first step, 0.1 mmol of 4-amino-3,5-bis(3-pyridyl)-1,2,4-triazole (3-abpt) and 0.1 mmol of zinc nitrate hexahydrate were added to 5 mL of In the mixed solution of acetonitrile and N,N'-dimethylformamide (DMF), the volume ratio is 1:2, and the solution is obtained by stirring;

[0037] In the second step, 0.1 mmol of 1,4-naphthalene dicarboxylic acid (1,4-ndc) was added to the solution prepared in the first step, and stirred until clarification;

[0038] In the third step, the solution prepared in the second step is placed in a closed reaction kettle and heated to 90°C for 72 hours, and the temperature is slowly lowered at a rate of 3°C / h, and then filtered, washed, and dried to obtain the crystalline material {[Zn 2 (1,4-ndc) 2 (3-abpt)] H 2 O} n ;

[0039] Fe 3+ Ion-selective detec...

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Abstract

The invention discloses a preparation method of a luminous crystal material capable of selectively detecting Fe<3+> ions. 4-amidogen-3,5-di(3-pyridyl)-1,2,4-triazole (3-abpt) and zinc nitrate hexahydrate are added into a mixed solution of acetonitrile and N,N'-dimethyl formamide to be stirred to be prepared into a solution; 1,4-naphthalic acid (1,4-ndc) is added into the prepared solution to be stirred until the solution is clear; the solution is put into a sealed reaction kettle for heating reaction for three days; after the temperature is slowly lowered, filtering, washing and drying are performed to obtain the luminous crystal material {[Zn2(1,4ndc)2(3abpt)].H2O}n. The preparation method has the advantage that the luminous crystal material {[Zn2(1,4ndc)2(3abpt)].H2O}n capable of efficiently and selectively detecting the Fe<3+> ions is obtained.

Description

[0001] a technical field [0002] The invention relates to the preparation of metal cation detection materials, in particular to a selective detection of Fe 3+ Preparation method of ionic luminescent crystal material. [0003] Two background technology [0004] Iron is the most abundant trace metal element in the human body. It is also an important component of hemoglobin and an important element for transporting and exchanging oxygen in the blood. It is closely related to human health. Both iron deficiency and iron excess will affect human health and cause diseases, such as hemochromatosis, anemia, liver function damage, diabetes, heart failure and Parkinson's disease. At the same time, with the rapid development of society and industry, iron has become the metal material most used by human beings. It is widely used in various fields of social production and life, and plays an irreplaceable role in the development of the national economy and industry. However, While bringing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C07F3/06C09K11/06G01N21/64
CPCC07B2200/13C07F3/003C07F3/06C08G83/008C09K11/06C09K2211/188G01N21/6402G01N21/6428G01N21/643G01N2021/6432G01N2201/06113
Inventor 张金方龚林培吴俊洁冯姣阳
Owner JIANGNAN UNIV
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