Rapid and sensitive analysis of nine fungicide residues in chrysanthemum by matrix extraction-vortex-assisted dispersive liquid–liquid microextraction

Xue, Jiaying; Chen, Xiaochu; Jiang, Wenqing; Liu, Fengmao; Li, Huichen

doi:10.1016/j.jchromb.2014.10.029

Cited by 26 publications

(3 citation statements)

References 49 publications

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“…21 To investigate the effect of salt addition on the extraction efficiency, various kinds of salts including NaCl, Na 2 SO 4 , Na 2 CO 3 , CH 3 COONa were studied with the concentration of each salt being kept constant at 1%(w/v), and the results were compared with those obtained from the process without salt addition. As shown in Figure 1a, it was found that the addition of Na 2 SO 4 provided higher extraction efficiency in terms of peak area of target herbicides.…”

Section: Optimization Of Conditions For Ilsfod-llmementioning

confidence: 99%

Ionic Liquid-Assisted Liquid–Liquid Microextraction based on the Solidification of Floating Organic Droplet in Sample Preparation for Simultaneous Determination of Herbicide Residues in Fruits

Vichapong

Santaladchaiyakit²,

Burakham³

et al. 2017

ACSi

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An ionic liquid-assisted liquid-liquid microextraction based on the solidification of floating organic droplet (ILSFOD-LLME) was investigated for analysis of four herbicide residues (i.e. simazine, atrazine, propazine, and linuron) by high performance liquid chromatography. For ILSFOD-LLME, the optimal extraction conditions were 5% w/v Na 2 SO 4 , 30 μL [C 4 MIM][PF 6 ]RTIL, 100 μL of 1-octanol, ultrasonication time 30 s and centrifugation at 5000 rpm for 5 min. Under the optimal conditions, linearity was obtained within the range of 0.1-1000 μg kg -1 , with the correlation coefficients greater than 0.999. The high enrichment factors of the target analytes were in the range of 64.5-139.9 and low limit of detection could be obtained. A modified QuEChERS was applied for fruit sample preparation before analysis. Matrix effects were also investigated using matrix matched standards for construction of the calibration graph. The proposed method has been successfully applied for extraction and preconcentration of herbicide residues in fruit samples, and good recoveries in the range of 87.32% to 99.93% were obtained.

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Section: Optimization Of Conditions For Ilsfod-llmementioning

confidence: 99%

Ionic Liquid-Assisted Liquid–Liquid Microextraction based on the Solidification of Floating Organic Droplet in Sample Preparation for Simultaneous Determination of Herbicide Residues in Fruits

Vichapong

Santaladchaiyakit²,

Burakham³

et al. 2017

ACSi

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“…A preconcentration step prior to chromatographic analysis is usually needed to decrease the matrix effect and enrich the analytes. Traditional fungicide extraction methods were performed by complicated and solvent‐consuming procedures such as liquid‐phase extraction and SPE, which have been replaced by more environment‐friendly microextraction methods including solid‐phase microextraction (SPME), magnetic solid‐phase extraction, and liquid‐liquid microextraction.…”

Section: Introductionmentioning

confidence: 99%

Preparation of metal‐organic framework UiO‐66‐incorporated polymer monolith for the extraction of trace levels of fungicides in environmental water and soil samples

Yao

Fan

Zhang

2019

J of Separation Science

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A zirconium terephthalate metal‐organic framework‐incorporated poly(N‐vinylcarbazole‐co‐divinylbenzene) monolith was fabricated in a capillary by a thermal polymerization method. The optimized monolith had a homogeneous structure, good permeability, and stability. The monolith could be used for the effective enrichment of fungicides through π‐π interactions, electrostatic forces, and hydrogen bonds. The potential factors that affect the extraction efficiency, including ionic strength, solution pH, sample volume, and eluent volume, were investigated in detail. The monolith‐based in‐tube solid‐phase microextraction coupled with ultra‐high‐performance liquid chromatography and high‐resolution Orbitrap mass spectrometry was performed for the analysis of five fungicides (pyrimethanil, tebuconazole, hexaconazole, diniconazole, and flutriafol) in environmental samples. Under the optimized conditions, the linear ranges were 0.005–5 ng/mL for pyrimethanil, 0.01–5 ng/mL for flutriafol, and 0.05–5 ng/mL for other fungicides, respectively, with coefficients of determination ≥0.9911. The limits of detection were 1.34–14.8 ng/L. The columns showed good repeatability (relative standard deviations ≤9.3%, n = 5) and desirable column‐to‐column reproducibility (relative standard deviations 5.3–9.4%, n = 5). The proposed method was successfully applied for the simultaneous detection of five fungicides in water and soil samples, with recoveries of 90.4–97.5 and 84.0–95.3%, respectively.

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“…Up to now, the residue of picoxystrobin has been concentrated in analytical methods in different matrices, including crops (Walorczyk et al 2015;Mercader et al 2012;Guan et al 2013;Hiemstra and Kok 2007;Cunha and Fernandes 2011), baby foods (Viñas et al 2009), fruits and vegetables (Lacina et al 2010;Guan et al 2014;Melo et al 2012;Campillo et al 2010), fruit juice (Liang et al 2013;You et al 2015), honeybees (Walorczyk and Gnusowski 2009), beer (Esteve-Turrillas et al 2010), and chrysanthemum (Xue et al 2015). In these studies, gas chromatography-mass spectrometry (GC-MS) was the most commonly used instrument (Bartlett et al 2002;Walorczyk et al 2015;Cunha and Fernandes 2011;Melo et al 2012;You et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Determination of Picoxystrobin Residues in Watermelon Field Trials by Rapid Resolution Liquid Chromatography Triple Quadrupole Mass Spectrometry: Dissipation Kinetics and Terminal Residues

Feng

Gao

et al. 2018

FSTR

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A simple, rapid and efficient method for the determination of picoxystrobin in watermelon ecosystem was established and validated via QuEChERS (quick, easy cheap, effective, rugged and safe) method using rapid resolution liquid chromatography tandem mass spectrometry (RRLC-MS/MS). The average recoveries (n=5) of picoxystrobin in three matrix at three fortification levels ranged from 89.4% to 102.6%. The limits of detection (LODs) were lower than 1.28×10 _ 4 mg L _ 1. The limits of quantification (LOQs) were 0.001 mg kg _ 1 for watermelon flesh (whole watermelon) and 0.005 mg kg _ 1 for soil. The half-life of picoxystrobin of whole watermelon (soil) in Shandong and Anhui were 1.43 (4.18) days and 3.71 (17.32) days, respectively. The picoxystrobin terminal residues in watermelon were lower than 0.001 mg kg _ 1 under the recommended dosages, which were far below the maximum residue limit (MRL) set by China (0.05 mg kg _ 1). These obtained data not only provide scientific information about safety estimation of picoxystrobin in watermelon and the kinetics of dissipation, but also facilitate trade exportation of watermelon for China.

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Rapid and sensitive analysis of nine fungicide residues in chrysanthemum by matrix extraction-vortex-assisted dispersive liquid–liquid microextraction

Cited by 26 publications

References 49 publications

Ionic Liquid-Assisted Liquid–Liquid Microextraction based on the Solidification of Floating Organic Droplet in Sample Preparation for Simultaneous Determination of Herbicide Residues in Fruits

Ionic Liquid-Assisted Liquid–Liquid Microextraction based on the Solidification of Floating Organic Droplet in Sample Preparation for Simultaneous Determination of Herbicide Residues in Fruits

Preparation of metal‐organic framework UiO‐66‐incorporated polymer monolith for the extraction of trace levels of fungicides in environmental water and soil samples

Determination of Picoxystrobin Residues in Watermelon Field Trials by Rapid Resolution Liquid Chromatography Triple Quadrupole Mass Spectrometry: Dissipation Kinetics and Terminal Residues

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