Qingyun Chang

Ultrasound-assisted surfactant-enhanced emulsification microextraction for the determination of carbamate pesticides in water samples by high performance liquid chromatography

Qiuhua Wu, Qingyun Chang, Chunxia Wu et al. · Journal of Chromatography A · 2010 · 194 citations

Chemical Engineering, Engineering, Pesticide-residue Analysis +9

Solid-phase microextraction of organophosphorous pesticides from food samples with a nitrogen-doped porous carbon derived from g-C3N4 templated MOF as the fiber coating

Yachao Pang, Xiaohuan Zang, Hongda Li et al. · Journal of Hazardous Materials · 2019 · 123 citations

Molecular Sieve, Chemical Engineering, Environmental Chemistry +8

Covalent Organic Framework as Fiber Coating for Solid-Phase Microextraction of Chlorophenols Followed by Quantification with Gas Chromatography–Mass Spectrometry

Tong Wu, Xiaohuan Zang, Mengting Wang et al. · Journal of Agricultural and Food Chemistry · 2018 · 78 citations

Application of graphene as a sorbent for preconcentration and determination of trace amounts of chromium(III) in water samples by flame atomic absorption spectrometry

Qingyun Chang, Shuangju Song, Yukun Wang et al. · Analytical Methods · 2012 · 61 citations

Solvent Extraction, Engineering, Complex Formation +16

Determination of pesticides residues in vegetable and fruit samples by solid‐phase microextraction with a covalent organic framework as the fiber coating coupled with gas chromatography and electron capture detection

Mengting Wang, Xin Zhou, Xiaohuan Zang et al. · Journal of Separation Science · 2018 · 49 citations