Porous polyimide particle-coated adsorptive microextraction bar combined with thermal desorption-gas chromatography for rapid determination of parabens in condiments

Yan, Xinyu; Zhong, Dongdong; Zhan, Yingying; Li, Yanshuo; Wu, Dapeng

doi:10.1016/j.chroma.2019.05.017

Journal of Chromatography A

2019

DOI: 10.1016/j.chroma.2019.05.017

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Porous polyimide particle-coated adsorptive microextraction bar combined with thermal desorption-gas chromatography for rapid determination of parabens in condiments

Xinyu Yan

Dongdong Zhong

Yingying Zhan

et al.

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Cited by 14 publications

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Synthesis and application of dual‐layer metal‐organic framework as a fiber coating based on copper‐based metal‐organic framework @ zeolitic imidazolate framework‐8 for solid‐phase microextraction of some selected parabens and their quantification using high performance liquid chromatography

Mohammed,

Ghani,

Raoof

2023

Separation Science Plus

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Herein, the zeolitic imidazolate framework‐8 template was accommodated onto the surface of a pencil graphite substrate through the electrodeposition system. Then, Zn in the zeolitic imidazolate framework‐8 was replaced with Cu atoms via the galvanic replacement procedure. The modified template was used for the synthesis of another metal‐organic framework (copper‐benzene di carboxylic acid) by a solvothermal method. The prepared fiber was characterized by field emission‐scanning electron microscopy, Fourier transform infrared spectroscopy, and X‐ray diffraction technique. Then, it was employed for direct immersion solid‐phase microextraction of methyl, ethyl, and butyl parabens. Various factors, such as the pH of the sample solution, stirring rate, desorption volume, the concentration of salt, extraction time, and desorption time, were selected and optimized. Under the optimized condition (extraction time = 30 min, desorption time = 2 min, desorption volume = 200 μL, salt concentration = 0% w/v, sample solution pH = 3.0, and stirring rate = 700 rpm), the linearity of the method was in the range of 1–200 μg/L (r2 > 0.9926). The limits of detection and quantification fall between 0.28–0.65 μg/L and 0.91–1.98 μg/L, respectively. The analysis of selected parabens in toothpaste and hand and face lotion, were also done using the suggested methodology.

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Synthesis and application of dual‐layer metal‐organic framework as a fiber coating based on copper‐based metal‐organic framework @ zeolitic imidazolate framework‐8 for solid‐phase microextraction of some selected parabens and their quantification using high performance liquid chromatography

Mohammed,

Ghani,

Raoof

2023

Separation Science Plus

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show abstract

Freestanding Fully Porous Polyimide Membrane for Thin Film Microextraction

Yan

et al. 2021

Chromatographia

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Nanoporous Polyimide Microspheres Solid Phase Extraction Coupled to Liquid Chromatography with Fluorescence Detection to Determine Fluoroquinolones in Water and Food Samples

Zhong

Qiu

et al. 2022

Chromatographia

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Porous polyimide particle-coated adsorptive microextraction bar combined with thermal desorption-gas chromatography for rapid determination of parabens in condiments

Cited by 14 publications

References 27 publications

Freestanding Fully Porous Polyimide Membrane for Thin Film Microextraction

Nanoporous Polyimide Microspheres Solid Phase Extraction Coupled to Liquid Chromatography with Fluorescence Detection to Determine Fluoroquinolones in Water and Food Samples

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