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| Preparation of Modified Cellulose Filter Paper and Its Application for the Recovery of Synthetic Cathinone Analytes in Water |
| Received:May 28, 2025 Revised:July 04, 2025 |
| DOI：10.11980/j.issn.0254-508X.2025.10.022 |
| Key Words:cellulose filter paper chemical modification synthetic cathinone analytes extraction recovery |
| Fund Project:广州市重点研发计划项目（2023B03J1365）；国家自然科学基金（42377368）；广东省基础与应用基础研究基金项目（2024A1515011534）。 |
| Author Name | Affiliation | Postcode | | SUN Zhonghui* | Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, Guangdong Province, 510650
University of Chinese Academy of Sciences, Beijing, 100049 | 100049 | | LUO Shuai | Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, Guangdong Province, 510650
University of Chinese Academy of Sciences, Beijing, 100049 | 100049 | | ZHAO Jiahui | CAS Testing Technical Services (Guangzhou) Co. , Ltd., Guangzhou, Guangdong Province, 510650 | 510650 | | LIU Bo | Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, Guangdong Province, 510650
University of Chinese Academy of Sciences, Beijing, 100049
CAS Testing Technical Services (Guangzhou) Co. , Ltd., Guangzhou, Guangdong Province, 510650 | 510650 | | YANG Bin* | School of Environment, South China Normal University, Guangzhou, Guangdong Province, 510006 | 510006 | | YOU Hongyu | Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, Guangdong Province, 510650
University of Chinese Academy of Sciences, Beijing, 100049 | 100049 | | LAI Huajie* | Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, Guangdong Province, 510650
University of Chinese Academy of Sciences, Beijing, 100049
CAS Testing Technical Services (Guangzhou) Co. , Ltd., Guangzhou, Guangdong Province, 510650 | 510650 |
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| Abstract:A two-step preparation method was adopted to chemically modify cellulose filter paper. (3-mercaptopropyl)trimethoxysilane and sodium 4-vinylbenzenesulfonate were used as modifiers. The chemically modified cellulose filter paper (CMCFP) was successfully prepared through silanization and thiol-ene click reaction. The CMCFP was used to extract and recover six synthetic cathinone analytes in aqueous solution by taking advantage of its hydrophobic interaction, π-π interaction, and electrostatic interaction. After extraction, the used CMCFP was treated with different elution solvents, and the eluates were detected and analyzed using high-performance liquid chromatography coupled with triple quadrupole mass spectrometry. The results showed that at an environmental pH value of 6.0, the CMCFP achieved optimal recovery efficiency for the six synthetic cathinone analytes, with recovery rates ranging between 71.5% and 107.7%. The most effective elution solvent was found to be ammonia/methanol solution with fraction volumique of 3%. Furthermore, the CMCFP maintained high recovery performance even after five consecutive uses. |
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