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Updated: Jan 23, 2026

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
A nanoporous carbon derived from bimetallic organic-framework for magnetic solid-phase extraction of bisphenol
Shi-Yao Ma1, Xue Wang1, Hui-Ling Duan1
1Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province and Key Laboratory of Medicinal Resources and Natural Pharmaceutical Chemistry of Ministry of Education, Shaanxi Normal University, Xi'an, 710062, China.
Abstract:
Taking Zn-Fe bimetallic organic-framework as both template and precursor, and furfuryl alcohol (FA) as secondary carbon source, a high-surface-area magnetic nanoporous carbon (MNPC) material was successful prepared. The MNPC exhibits excellent adsorption performance for bisphenol analogs (BPs). The maximum adsorption capacity achieved 439.0 mg g-1 for bisphenol AF, 423.7 mg g-1 for bisphenol S, 330.4 mg g-1 for tetrabromobisphenol A and 252.5 mg g-1 for bisphenol A. A sensitive magnetic solid-phase extraction with MNPC as adsorbent coupled with HPLC-UV analytical method was developed for the detection of trace BPs. The limits of detection for BPs were as low as 0.03-0.07 ng mg-1 with the RSDs of less than 4.6%. This method was applied to detection of four BPs in environmental water samples and the satisfactory results were obtained.
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