Xunping Yao

Fabrication of a hierarchically structured carbon composite for highly efficient toluene adsorption from wastewater

Yufei Sun, Lihui Chen, Chao Lei, Mingli Ye et autres

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Fabrication of a Hierarchically Structured Carbon Composite for Highly Efficient Toluene Adsorption from Wastewater

Yonggang Zhao, Yufei Sun, Lihui Chen, Chao Lei et autres

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Fabrication of a Hierarchically Structured Carbon Composite for Highly Efficient Toluene Adsorption from Wastewater

Yufei Sun, Lihui Chen, Chao Lei, Mingli Ye et autres

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A 3-step load-wash-elute solid-phase extraction tandem dedicated clean-up cartridge prior to UPLC-MS/MS for the simultaneous determination of bongkretic acid, isobongkretic acid and toxoflavin in edible mushrooms and rice noodles

Lanyun Fang, Yanhua Jiang, Shanshan Yao, Xunping Yao et autres

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A 3-Step Load-Wash-Elute Solid-Phase Extraction Tandem Dedicated Clean-Up Cartridge Prior to Uplc-Ms/Ms for the Simultaneous Determination of Bongkretic Acid, Isobongkretic Acid and Toxoflavin in Food

Lanyun Fang, Yanhua Jiang, Shanshan Yao, Xunping Yao et autres

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[Contamination status and the evaluation of dietary exposure of marine biotoxins in seafood in Ningbo City in 2017-2019].

Lanyun Fang, Jige Li, Xunping Yao, Shanshan Yao et autres

OBJECTIVE: Ultra-fast liquid chromatography-tandem mass spectrometry method was developed for the analysis of contamination degree of biotoxins in seafood in Ningbo City from 2017 to 2019 and the assessment of dietary exposure was conducted. METHODS: Samples were extracted and purified with optimized …

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New two-step extraction method in antimony speciation using HPLC-ICP-MS technique in inhalable particulate matter (PM2.5)

Lanyun Fang, Yumei Zhang, Beibei Lü, Li Wang et autres

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Determination of 11 triazole fungicides in fruits using solid phase extraction and gas chromatography-tandem mass spectrometry

Jige Li, Yufei Wang, Jiawei Shi, Jiang Li et autres

A method was developed and validated for the simultaneous determination of 11 triazole fungicides (tetraconazole, triflumizole, penconazole, hexaconazole, flutriafol, myclobutanil, etuconazole, propiconazole, tebuconazole, epoxiconazole and fluquinconazole) in fruits by gas chromatography-tandem mass spectrometry (GC-MS/MS). The triazole fungicides were extracted from the samples …

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Acidic Potassium Bromate/Potassium Bromide Digestion System for Determination of Total Mercury in Urine Using Atomic Fluorescence Spectrometry

Xunping Yao

[Objective] To find a rapid,precise,and high-throughput method for the determination of total urine mercury levels of occupational population by comparing several pretreatment methods of urine samples.[Methods] Three pretreatment methods including microwave digestion,constant-temperature potassium permanganate oxidation,and acidic potassium bromate-potassium bromide(KBrO3/KBr) digestion system were …

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Use of tetraethylenepentamine-functional Fe3O4 magnetic polymers for matrix solid phase dispersion extraction and preconcentration of Cr(VI) in water samples at ultratrace levels

Xunping Yao, Zhen-Jun Fu, Yong‐Gang Zhao, Li Wang et autres

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Determination of Beryllium in Whole Blood with Graphite Furnace Atomic Absorbance Spectrometry

Xunping Yao

[Objective] To establish the method for determination of beryllium in whole blood with graphite furnace atomic absorbance spectrometry.[Methods] After the protein in whole blood was removed by nitric acid 5%(v/v) and centrifugal separation,it was determined by standard working curve using Mg(NO3)2 0.5%(m/v) …

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Speciation of inorganic arsenic in water samples by nanometer titanium dioxide adsorption/separation coupled with atomic fluorescence spectrometry

Xunping Yao

Objective:To establish a novel,reliable and precise method for the speciation analysis of inorganic arsenic in water samples.Methods: Based on the fact that nanometer titanium dioxide shows different adsorption ability to As(III) and As(V) in different pH conditions,As(III) and As(V) can be separated …

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