Impact of the Preparation Procedure on the Performance of the Microporous HKUST-1 Metal-Organic Framework in the Liquid-Phase Separation of Aromatic Compounds

To date, metal-organic frameworks (MOFs) have been recognized as promising solid phases in high-performance liquid chromatography (HPLC). This research aimed to elucidate the role of the physico-chemical characteristics of the microporous HKUST-1 metal-organic framework in its operation as a selecti...

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Bibliographic Details
Published in:	Molecules (Basel, Switzerland) Vol. 25; no. 11; p. 2648
Main Authors:	Isaeva, Vera I, Saifutdinov, Bulat R, Chernyshev, Vladimir V, Vergun, Vadim V, Kapustin, Gennady I, Kurnysheva, Yulia P, Ilyin, Mikhail M, Kustov, Leonid M
Format:	Journal Article
Language:	English
Published:	Switzerland MDPI AG 06-06-2020 MDPI
Subjects:	Adsorbents Adsorption Aromatic compounds Chromatography Chromatography, High Pressure Liquid - methods Elution Geometry High performance liquid chromatography Hydrocarbons Liquid chromatography Liquid phases Liquid-Liquid Extraction - methods Metal-organic frameworks metal-organic frameworks (MOFs) Metal-Organic Frameworks - chemistry Morphology Particle size Phase separation Polycyclic Aromatic Hydrocarbons - analysis Polycyclic Aromatic Hydrocarbons - isolation & purification Pore size Porosity Selective adsorption Selectivity Solid phases Surface chemistry selective adsorption metal-organic frameworks (MOFs) high-performance liquid chromatography
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Summary:	To date, metal-organic frameworks (MOFs) have been recognized as promising solid phases in high-performance liquid chromatography (HPLC). This research aimed to elucidate the role of the physico-chemical characteristics of the microporous HKUST-1 metal-organic framework in its operation as a selective adsorbent in HPLC. For this, the HKUST-1 samples were prepared by microwave-assisted synthesis and a solvothermal procedure. According to the chromatographic examinations, the HKUST-1 material synthesized in the microwave fields shows an efficient performance in the selective adsorption of aromatic compounds with different functionalities. This study revealed a significant impact of the preparation procedure on the mechanism of the liquid-phase adsorption on the HKUST adsorbents under conditions of the HPLC. An effect of the elution solvent with the different coordination ability to the Cu sites in the HKUST-1 structure on the adsorption selectivity was observed.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1420-3049 1420-3049
DOI:	10.3390/molecules25112648