Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of selective detection iron ion test paper and preparation method thereof

An iron ion, selective technology, applied in the field of test paper and its preparation, selective detection of iron ion test paper and its preparation field, can solve the problems of pollution, reagent stability, complex reagent preparation methods, etc., and achieve simple preparation steps , low detection cost and simple method

Active Publication Date: 2022-02-22
HARBIN ENG UNIV
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The common disadvantage of the above technologies is that although the prepared reagent can selectively detect iron ions in different concentrations and different environments, the preparation method of the reagent is very complicated, and as a detection reagent itself, it is not recyclable and is easy to cause damage to the sample. Pollution
In addition, the stability of reagents has also become a major problem
And have not yet seen the report about iron ion detection test paper

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of selective detection iron ion test paper and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] A selective detection of trivalent iron ion test strip and preparation method thereof, the preparation steps are as follows:

[0025] Step 1, pyreo phenol (5-10 mM), polyethylene glycol-200 (PEG-200) (PEG-200), hexamethylene diisocyanate (HDI) (5-15 mM), except for water tetrahydrofuran THF) (0.1-1 mm), triamia (TEDA) (TEDA) (TEDA) (TEDA) (TEDA) (TEDA) (TEDA) (TEDA) (TEDA) (5-10 mM) was added in three flasks, and nitrogen gas was protected from 75 ° C for 6-9 h. After the reaction, the appropriate amount of acetone is added to remove by-products, and the final product is obtained by filtration.

[0026] Step 2, take the appropriate amount of product to be dissolved in V 乙腈 : V 水 In the mixed solution of 1: 1, after the product was completely dissolved with the mixed solution, the fluorless test strip was submerged in the mixed solution for a period of time, and the test paper obtained was obtained after it was completely dried.

Embodiment 1

[0028] A method of selectively detecting a three-vivalent iron ion test paper, the preparation steps are as follows:

[0029] Step 1, sequentially add phenol (8 mM), PEG-200 (5.90 mM), HDI (10 mm), TEDA (3 mm), and the spermatin, and nitrogen in three flasks in three flasks. The condensation reflux reaction was taken at 75 ° C for 8 h. After the end of the reaction, the appropriate amount of diethyl ether was added to the by-product, and the final product was obtained by filtration under reduced pressure;

[0030] Step 2, extolize 0.10 g of product to 50 ml V 乙腈 : V 水 = 1: 1 In the mixed solution, after all the product was completely dissolved with the mixed solution, the fluorless test strip was placed in a mixed solution for a period of time, and the test strip was obtained after it was completely dried.

Embodiment 2

[0032] A method of selectively detecting a three-vivalent iron ion test paper, the preparation steps are as follows:

[0033] Step 1, sequentially add phenol (8 mM), PEG-200 (5.90 mM), HDI (10 mm), TEDA (3 mm), and the spermatin, and nitrogen in three flasks in three flasks. The condensation reflux reaction was taken at 75 ° C for 8 h. After the end of the reaction, the appropriate amount of diethyl ether was added to the by-product, and the final product was obtained by filtration under reduced pressure;

[0034] Step 2, take 0.50 g of product to dissolve in 100 ml V 乙腈 : V 水 = 1: 1 In the mixed solution, after all the product was completely dissolved with the mixed solution, the fluorless test strip was placed in a mixed solution for a period of time, and the test strip was obtained after it was completely dried.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A test paper for selectively detecting iron ions and a preparation method thereof of the present invention, comprising the following steps: sequentially adding hydroquinone, polyethylene glycol-200, hexamethylene diisocyanate, dewatered tetrahydrofuran, and triethylenediamine into a container In the process, the condensation reflux reaction was carried out under the protection of nitrogen. After the reaction, acetone was added to remove by-products, and the final product was obtained by filtration under reduced pressure; the final product was dissolved in a mixed solution of acetonitrile and water. After the final product was completely dissolved, there would be no fluorescence. The test paper is soaked in the mixed solution, dried and flattened to obtain the test paper for selective detection of iron ions. Compared with other methods for detecting iron ions, the material prepared by the invention has simple method and low detection cost. Compared with other fluorescent reagents for detecting iron ions, the preparation steps are simple, the stability is good, and the presence of iron ions can be selectively detected in different environments.

Description

Technical field [0001] The present invention relates to a test strip and a preparation method thereof, and more particularly to a selective detection of iron ion test strips and preparation methods thereof, belonging to the field of metal ion detection. Background technique [0002] Iron elements are widely present in nature, with approximately 5.1% of the shell mass. In the human body, iron elements is also an indispensable trace element, and iron ions are mainly in the form of hemoglobin in the form of liver, spleen and bone marrow. Excessive iron will cause human metabolism disorders and threaten human health. Therefore, it is very necessary to ensure that there is a proper concentration of iron ions in drinking water. In terms of industrial, iron ions If attached to metal pipes or equipment, they will corrode metal pipes or equipment, affecting their normal operation. Therefore, it is very important to have a high selectivity, high sensitivity to detect iron ions in different...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/64
CPCG01N21/6428G01N2021/6432
Inventor 张智嘉魏浩李孟超王伟胡科峰李瑞高闪欧阳肖王国军马宁张馨月王强
Owner HARBIN ENG UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com