Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Analytical detection method of water bactericide based on MOFs/TiO2 magnetic composite material

A composite material and magnetic technology, applied in the field of analysis and testing, can solve the problems of loss and enrichment of target substances, complex centrifugation process, etc., and achieve good thermal stability and solvent stability, good reproducibility, and good magnetic responsiveness. Effect

Active Publication Date: 2016-06-15
SHANDONG ANALYSIS & TEST CENT
View PDF6 Cites 29 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the two are used for the enrichment of organic pollutants, the adsorbent will be extracted from the sample solution by means of centrifugation or suction filtration, which makes the centrifugation process complicated and easily causes the loss and enrichment of the target substance. to a lesser extent

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
  • Analytical detection method of water bactericide based on MOFs/TiO2 magnetic composite material
  • Analytical detection method of water bactericide based on MOFs/TiO2 magnetic composite material
  • Analytical detection method of water bactericide based on MOFs/TiO2 magnetic composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A kind of MOFs / TiO 2 Synthesis of Magnetic Nanocomposites:

[0043] (1) 1.35g ferric chloride hexahydrate (FeCl 3 ·6H 2 (2) and 50mL ethylene glycol are added in the beaker, after stirring and dissolving to clarification, slowly add 3.6g sodium acetate (NaAC), continue to stir for 30 minutes. After that, it was transferred to a polytetrafluoroethylene reactor and reacted at 200° C. for 8 hours. After the reactor was cooled down, the black product was separated under the action of an external magnetic field, washed several times with deionized water and ethanol, and dried overnight at 60°C; figure 1 and Figure 5 shown.

[0044] (2) 20mg of synthetic Fe 3 o 4 Add to 20mL ethanol, add 4mLH 2O and 100 μL ammonia water were sonicated for 30 minutes, and then 100 μL tetraethyl orthosilicate (TEOS) was added to continue sonicating for 5 hours. Product Fe 3 o 4 SiO 2 It was separated under the action of an external magnetic field, washed several times with deionize...

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

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Thicknessaaaaaaaaaa
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses an analytical detection method of a water bactericide based on a MOFs / TiO2 magnetic composite material. the method comprises the following steps: dispersing magnetic Fe3O4 (at) SiO2 nanospheres into an N,N-dimethylformamide solution of 3-aminopropyltriethoxysilane and succinic anhydride so as to make the surface to carry carboxyl; dispersing the carboxyl-modified Fe3O4 (at) SiO2 nanospheres into a methanol solution of zinc nitrate and 2-methylimidazole to coat the surface with a metal-organic framework material ZIP-8 so as to obtain Fe3O4 (at) SiO2(at) ZIF-8 nanoparticles; and dispersing the Fe3O4 (at) SiO2(at) ZIF-8 nanoparticles into an ethanol solution of tetrabutyl titanate so as to prepare a magnetic nanocomposite material. By the use of the material, the enrichment and separation process becomes simple. By combining advantages of MOFs and TiO2, enrichment efficiency of a bactericide can be raised. The material of the invention can be used in enrichment and separation of a bactericide and liquid chromatography tandem mass spectrometry detection.

Description

technical field [0001] The present invention relates to a kind of based on MOFs / TiO 2 The invention relates to a high-sensitivity analysis and detection method for fungicides in water by magnetic nanocomposite material enrichment-liquid chromatography tandem mass spectrometry, which belongs to the field of analysis and testing. Background technique [0002] Fungicides are widely used in the protection of various crops, fruits and vegetables. Because the fungicide has good stability, acid and alkali resistance and photobleaching resistance, it is simple and convenient in storage and use, and can control wheat smut, rice blast, melon powdery mildew, and flower diseases, etc. A variety of fungal diseases, the effect is remarkable. Representative fungicides include Thiabendazole, Metalaxyl, Dimethocarb, Myclobutanil, and Tebuconazole. Because fungicides show teratogenic and mutagenic effects in experimental animals, and the metabolites transformed in the human body also have ...

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
IPC IPC(8): B01J20/30B01J20/22B01J20/28G01N30/88G01N33/18
CPCB01J20/06B01J20/103B01J20/226G01N30/88G01N33/1826B01J20/28007B01J20/28009B01J20/28019B01J20/282B01J20/283B01J20/286B01J2220/825B01J2220/52B01J2220/54B01J2220/4812B01J2220/4806B01J2220/46G01N33/184
Inventor 陈相峰苏浩林云良赵汝松苑金鹏王珊珊王晓利陈跃宋新力
Owner SHANDONG ANALYSIS & TEST CENT
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com