Articles with "micro extraction" as a keyword



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Applications of solid-phase micro-extraction with mass spectrometry in pesticide analysis.

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Published in 2019 at "Journal of separation science"

DOI: 10.1002/jssc.201800804

Abstract: Pesticides, widely applied in agriculture, can produce a variety of transformation products and their continuous use causes deleterious effects to ecosystem. Efficient and sensitive analytical techniques for enrichment and analysis of pesticides samples are highly… read more here.

Keywords: extraction; micro extraction; mass spectrometry; phase micro ... See more keywords
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Application of zirconium-based metal–organic frameworks for micro-extraction by packed sorbent of urinary trans, trans-muconic acid

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Published in 2020 at "Journal of the Iranian Chemical Society"

DOI: 10.1007/s13738-020-01930-1

Abstract: Abstract In this study, we report for the first time developing an analytical method based on three metal–organic frameworks (MOF) including UiO-66, UiO-66-NH 2 and UiO-66-NH 2 @ Fe 3 O 4 -SiO 2 in… read more here.

Keywords: micro extraction; uio uio; metal organic; extraction packed ... See more keywords
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Deep eutectic solvent-based dispersive liquid-liquid micro-extraction of pesticides in food samples.

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Published in 2020 at "Food chemistry"

DOI: 10.1016/j.foodchem.2020.127943

Abstract: Deep eutectic solvents are versatile, green and new generation solvents that can be used during dispersive liquid-liquid micro-extraction techniques for pesticides. They have tunable physico-chemical properties that can be easily changed by varying the ratios… read more here.

Keywords: micro extraction; liquid; dispersive liquid; deep eutectic ... See more keywords
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Selective liquid phase micro-extraction of metal chloro-complexes from saline waters using ionic liquids

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Published in 2020 at "Journal of Cleaner Production"

DOI: 10.1016/j.jclepro.2020.121415

Abstract: Abstract Existing methods for the extraction of priority metallic pollutants as Ag, Cd, Cu, Ni and Zn from saline waters present limited efficacy due to the high complexity of the water matrix, which affects metals… read more here.

Keywords: extraction; micro extraction; saline waters; extraction metal ... See more keywords
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Micro-extraction by packed sorbent coupled on-line to a column-switching chromatography system – A case study on the determination of three beta-blockers in human urine

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Published in 2019 at "Microchemical Journal"

DOI: 10.1016/j.microc.2019.02.069

Abstract: Abstract A new approach for the automation of Micro-Extraction by Packed Sorbent (MEPS) as a solid phase extraction technique coupled directly to a column-switching chromatography system was presented. A new on-line hyphenation of the modern… read more here.

Keywords: column; system; chromatography; extraction packed ... See more keywords
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Switchable solvent-based micro-extraction of pesticides in food and environmental samples.

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Published in 2021 at "Talanta"

DOI: 10.1016/j.talanta.2020.121807

Abstract: Switchable solvents are new generation solvents that are environmentally friendly and can be used for the effective pre-concentration of pesticide residues in food and environmental matrices. They have physico-chemical properties that can be switched abruptly… read more here.

Keywords: pre concentration; food environmental; micro extraction; concentration ... See more keywords
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Combination of ultrasonic-assisted dispersive liquid phase micro-extraction with magnetic dispersive solid-phase extraction for the pre-concentration of trace amounts of atrazine in various water samples

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Published in 2019 at "International Journal of Environmental Analytical Chemistry"

DOI: 10.1080/03067319.2019.1670170

Abstract: ABSTRACT Herein, ultrasonic-assisted liquid phase micro-extraction in tandem with dispersive µ-solid-phase extraction was utilised for the determination of atrazine at µg L−1 concentration levels. Initially, a liquid phase micro-extraction based on dispersion of organic solvent… read more here.

Keywords: phase; extraction; micro extraction; liquid phase ... See more keywords