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Open‐tubular capillary electrochromatographic determination of ten sulfonamides in tap water and milk by a metal‐organic framework‐coated capillary column
Author(s) -
Wang Xuan,
Ye Nengsheng,
Hu Xiaoyu,
Liu Qingye,
Li Jian,
Peng Lin,
Ma Xiaotong
Publication year - 2018
Publication title -
electrophoresis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.666
H-Index - 158
eISSN - 1522-2683
pISSN - 0173-0835
DOI - 10.1002/elps.201800047
Subject(s) - capillary electrochromatography , capillary action , chemistry , chromatography , tap water , thermogravimetric analysis , analytical chemistry (journal) , scanning electron microscope , capillary electrophoresis , materials science , organic chemistry , composite material , environmental engineering , engineering
In this study, a metal‐organic framework (MOF), [Mn(cam)(bpy)], was synthesized and characterized by thermogravimetric analysis, scanning electron microscopy, and Fourier transform infrared spectrometry. An open‐tubular capillary column was fabricated from [Mn(cam)(bpy)] via the amide coupling method. Ten types of sulfonamides were separated through the fabricated capillary column, which showed a good limits of detection (<0.07 μg/mL) and linear ranges (1–100 or 5–100 μg/mL) with a high correlation coefficients ( R 2 > 0.9987). The intra‐day, inter‐day and column‐to‐column relative standard deviations (RSDs) in the migration times ranged from 0.44 to 4.87%, and the peak area RSDs ranged from 0.80 to 7.28%. The developed capillary electrochromatography method can be successfully utilized for the determination of sulfonamides in tap water and milk samples.