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   Articles with "quechers method" as a keyword



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Modified QuEChERS method for phenolic compounds determination in mustard greens (Brassica juncea) using UHPLC-MS/MS

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recommendations! Published in 2020 at "Arabian Journal of Chemistry"

DOI: 10.1016/j.arabjc.2019.10.012

Abstract: Abstract A modified QuEChERS method (Quick, Easy, Cheap, Effective, Rugged, and Safe) for the determination of fifteen phenolic compounds in mustard greens (Brassica juncea) using ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS) analysis… read more here.

Keywords: greens brassica; quechers method; modified quechers; brassica juncea ... See more keywords
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Simultaneous determination of neonicotinoids and fipronils in tea using a modified QuEChERS method and liquid chromatography-high resolution mass spectrometry.

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recommendations! Published in 2020 at "Food chemistry"

DOI: 10.1016/j.foodchem.2020.127159

Abstract: The widespread use of neonicotinoids (NEOs) and fipronils (FIPs) as insecticides in modern agriculture has been widely investigated because of their adverse effects on human health. This study aimed to develop an accurate quantitative approach… read more here.

Keywords: quechers method; modified quechers; tea using; tea ... See more keywords
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Simultaneous Extraction of Pesticides and Polycyclic Aromatic Hydrocarbons in Brazilian Cachaça Using a Modified QuEChERS Method Followed by Gas Chromatography Coupled to Tandem Mass Spectrometry Quantification.

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recommendations! Published in 2019 at "Journal of agricultural and food chemistry"

DOI: 10.1021/acs.jafc.8b04682

Abstract: A modified QuEChERS method was optimized for simultaneous extraction of 93 pesticides and 6 polycyclic aromatic hydrocarbons (PAHs) in cachaça. The procedure employed 20 mL of sample, 10 mL of dichloromethane, 1 g of NaCl,… read more here.

Keywords: simultaneous extraction; quechers method; pesticides polycyclic; modified quechers ... See more keywords
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Development and validation of a multiresidue method for the determination of 323 pesticide residues in dry herbs using QuEChERS method and LC-ESI-MS/MS

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recommendations! Published in 2017 at "International Journal of Environmental Analytical Chemistry"

DOI: 10.1080/03067319.2017.1381954

Abstract: ABSTRACT A multiresidue method was studied for determination of 323 pesticides representing a wide range of physicochemical properties in dry herbs (chamomile and parsley) based on QuEChERS method and LC-ESI-MS/MS analysis. In the current study,… read more here.

Keywords: quechers method; multiresidue method; dry herbs; determination 323 ... See more keywords
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Development of QuEChERS Method for the Determination of Polycyclic Aromatic Hydrocarbons in Smoked Meat Products Using GC-MS from Qatar

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recommendations! Published in 2018 at "Journal of Analytical Methods in Chemistry"

DOI: 10.1155/2018/9206237

Abstract: A simple and fast method for the determination of PAHs in smoked meat samples was described. The QuEChERS (Z-Sep) procedure was used for sample preparation. Gas chromatograph-mass spectrometer with electron ionization (EI) was used to… read more here.

Keywords: quechers method; method determination; smoked meat; meat ... See more keywords
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Determination of Residual Triflumezopyrim Insecticide in Agricultural Products through a Modified QuEChERS Method

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recommendations! Published in 2021 at "Foods"

DOI: 10.3390/foods10092090

Abstract: A rapid and simple analytical method for triflumezopyrim, a new class of mesoionic insecticides and commercialized molecules from DuPont, was developed with a modified QuEChERS method. The pH adjustment was used to improve the extraction… read more here.

Keywords: quechers method; residual triflumezopyrim; method; modified quechers ... See more keywords
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Pesticide-Residue Analysis in Soils by the QuEChERS Method: A Review

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recommendations! Published in 2022 at "Molecules"

DOI: 10.3390/molecules27134323

Abstract: Pesticides are among the most important contaminants worldwide due to their wide use, persistence, and toxicity. Their presence in soils is not only important from an environmental point of view, but also for food safety… read more here.

Keywords: pesticide residue; residue analysis; quechers method; soils quechers ... See more keywords