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Author

Qun Xu

Observed name: Qun XU
ORCID: 0000-0001-7522-9561
Observed ORCID: 0000-0001-7522-9561
OpenAlex ID: A5015069631
Mitigating matrix effects for LC-MS/MS quantification of nitrosamine impurities in rifampin and rifapentine
2024 · Qiyao Li, Qun Xu, et al. · Journal of Pharmaceutical and Biomedical Analysis Open · 21
Development and validation of a hydrophilic interaction chromatography method coupled with a charged aerosol detector for quantitative analysis of nonchromophoric α–hydroxyamines, organic impurities of metoprolol
2015 · Qun Xu, Shane Tan, et al. · Journal of Pharmaceutical and Biomedical Analysis · 18
Controlling the quality of maca (Lepidium meyenii) dietary supplements: Development of compendial procedures for the determination of intact glucosinolates in maca root powder products
2021 · Qun Xu, Maria J. Monagas, et al. · Journal of Pharmaceutical and Biomedical Analysis · 14
Advancing USP compendial methods for fixed dose combinations: A case study of metoprolol tartrate and hydrochlorothiazide tablets
2018 · Qun Xu · Journal of Pharmaceutical Analysis · 13
Use of qNMR to determine HPLC relative response factors for botanical reference standards used in pharmacopeial monographs
2022 · Cuiying Ma, Yang Liu, et al. · Journal of Pharmaceutical and Biomedical Analysis · 9
Quantitative analysis of 3-isopropylamino-1,2-propanediol as a degradation product of metoprolol in pharmaceutical dosage forms by HILIC-CAD
2019 · Qun Xu, Shane Tan · Journal of Pharmaceutical Analysis · 8
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Development and Validation of a Single Quadrupole LC/MS Method for the Trace Analysis of Six Nitrosamine Impurities in Valsartan
2021 · Qun Xu, QiYao Li, et al. · SSRN Electronic Journal · 6
Structural confirmation of sulconazole sulfoxide as the primary degradation product of sulconazole nitrate
2017 · Qun Xu, Ashraf Khan, et al. · Journal of Pharmaceutical Analysis · 4
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Development and evaluation of a HILIC-MS method for the determination of amino acid and non-amino acid impurities in histidine
2022 · Qun Xu, Fatkhulla K. Tadjimukhamedov · Journal of Pharmaceutical and Biomedical Analysis · 3
Clarification of the USP compendial procedure for phenoxybenzamine hydrochloride via updating impurity profiles
2020 · Qun Xu, Donald Min, et al. · Journal of Pharmaceutical and Biomedical Analysis · 2
Incorporating solid-phase extraction into compendial procedures for the determination of dexamethasone and impurities in low-dose drug products
2019 · Qun Xu · Journal of Pharmaceutical and Biomedical Analysis · 2
Determination of paraquat and diquat in drinking water and environmental water by high performance liquid chromatography coupled with on-line clean-up and solid phase extraction
2013 · Jing CHEN, Zhaojin LIU, et al. · Chinese Journal of Chromatography · 2
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Development and Validation of a Single Quadrupole LC/MS Method for the Trace Analysis of Six Nitrosamine Impurities in Valsartan
2021 · Qun Xu, QiYao Li, et al. · SSRN Electronic Journal · 1
Two-Dimensional High Performance Liquid Chromatography Combined with On-line Solid Phase Extraction and Mass Spectrometry for Determination of Sudan Dyes in Chili Oil
2013 · Jing CHEN, Zhao-Jin LIU, et al. · CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION) · 1
On-line solid phase extraction for desalting coupled with mass spectrometric analysis
2013 · Jing CHEN, Zhaojin LIU, et al. · Chinese Journal of Chromatography
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Works count: 15
Citation count: 104
H-index: 6
I10-index: 4
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