In-situ carbonizing of coal pitch on the surface of silica sphere as quasi-graphitized carbon stationary phase for liquid chromatography

Xu, Sen; Zhong, Zhihua; Wang, Yu; Zhang, Lingyi; Zhang, Weibing

doi:10.1016/j.cclet.2022.108024

Chinese Chemical Letters

2023

DOI: 10.1016/j.cclet.2022.108024

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In-situ carbonizing of coal pitch on the surface of silica sphere as quasi-graphitized carbon stationary phase for liquid chromatography

Sen Xu

Zhihua Zhong

Yu Wang

et al.

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Cited by 6 publications

References 26 publications

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A Polymer‐Based Polar Stationary Phase Grafted With Modified Lysine for Hydrophilic Interaction Chromatography

Shen,

Jin,

Zhang

et al. 2024

J of Separation Science

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The high hydrophobicity and chemical inertness of poly(styrene‐divinylbenzene) (PS‐DVB) microspheres make their surface hydrophilic modification difficult. Here we describe a facile way to convert PS‐DVB microspheres to hydrophilic, then can be used as polar stationary phase for hydrophilic interaction chromatography. This approach utilizes the grafting of an acrylamide‐terminated lysine zwitterionic monomer onto PS‐DVB microspheres via free radical polymerization. The obtained stationary phase shows good hydrophilicity and a typical retention mechanism of hydrophilic interaction chromatography toward several model polar analytes. It also exhibits obvious zwitterionic properties and is capable of separating cationic and anionic analytes simultaneously. The column shows negligible bleeding level, much superior to silica‐based ones.

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A Polymer‐Based Polar Stationary Phase Grafted With Modified Lysine for Hydrophilic Interaction Chromatography

Shen,

Jin,

Zhang

et al. 2024

J of Separation Science

View full text Add to dashboard Cite

show abstract

Deep eutectic supramolecular polymers based HPLC stationary phase: Green synthesis strategy and promising application prospects

Liu,

Wei,

Liu

et al. 2024

Analytica Chimica Acta

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Esterified styrene-maleic acid copolymer modified silica as mixed-mode polymer-brush stationary phases for chromatographic separation

Yan,

Yang,

Wang

et al. 2024

Journal of Chromatography A

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In-situ carbonizing of coal pitch on the surface of silica sphere as quasi-graphitized carbon stationary phase for liquid chromatography

Cited by 6 publications

References 26 publications

A Polymer‐Based Polar Stationary Phase Grafted With Modified Lysine for Hydrophilic Interaction Chromatography

A Polymer‐Based Polar Stationary Phase Grafted With Modified Lysine for Hydrophilic Interaction Chromatography

Deep eutectic supramolecular polymers based HPLC stationary phase: Green synthesis strategy and promising application prospects

Esterified styrene-maleic acid copolymer modified silica as mixed-mode polymer-brush stationary phases for chromatographic separation

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