Determination of polar organic acids in environmental water by magnetic solid phase extraction based on ionic covalent organic framework

2021 ◽  
Author(s):  
Jing Sun ◽  
Fang Xue ◽  
Cui-Ling Gao ◽  
Lei Li ◽  
Hailong Jiang ◽  
...  
Keyword(s):  
Solid Phase Extraction ◽  
Organic Acids ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Phase Extraction ◽  
Covalent Organic Frameworks ◽  
Covalent Organic Framework ◽  
Magnetic Solid

Ionic covalent organic frameworks (Fe3O4@EB-TFB-iCOF) as a polar adsorbent was synthesized and characterized. It was applied to magnetic solid phase extraction (MSPE) of four polar organic acids, namely, 2-(2,4,5-trichlorophenoxy) propionic...

Covalent organic framework-LZU1@PEI@Fe3O4-based magnetic dispersive micro-solid phase extraction of tetracyclines from environmental water prior to HPLC analysis

2021 ◽  
Author(s):  
Ying Zhang ◽  
Yuhan Ning ◽  
Wanliang Liao ◽  
Weiping Wang ◽  
Ai-Jun Wang
Keyword(s):  
Solid Phase Extraction ◽  
Fe3o4 Nanoparticles ◽  
Hplc Analysis ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Phase Extraction ◽  
Covalent Organic Framework ◽  
Magnetic Solid ◽  
Organic Framework

In this work, COF-LZU1@PEI@Fe3O4 was synthesized by immobilization of COF-LZU1 onto the surface of polyethyleneimine-functionalized Fe3O4 nanoparticles (PEI@Fe3O4) and employed as adsorbent for magnetic solid phase extraction of tetracyclines (TCs)....

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