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   Articles with "switchable hydrophilicity" as a keyword



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Switchable Hydrophilicity Solvent-Based Homogenous Liquid–Liquid Microextraction (SHS-HLLME) Combined with GC-FID for the Quantification of Methadone and Tramadol

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recommendations! Published in 2018 at "Chromatographia"

DOI: 10.1007/s10337-018-3528-y

Abstract: In this work, a new method based on homogeneous liquid-phase microextraction was developed for the determination of methadone and tramadol. Dipropylamine was used as extraction solvent with switchable hydrophilicity that can be miscible/immiscible upon the… read more here.

Keywords: methadone tramadol; switchable hydrophilicity; phase; liquid ... See more keywords
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Switchable hydrophilicity solvent membrane-based microextraction: HPLC-FLD determination of fluoroquinolones in shrimps.

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recommendations! Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.04.054

Abstract: A switchable hydrophilicity solvent membrane-based microextraction (SHS-MME) strategy for simple and highly-available sample pretreatment of complex matrices has been proposed. The SHS-MME procedure based on extraction of target analytes from an aqueous sample into a… read more here.

Keywords: switchable hydrophilicity; hydrophilicity solvent; membrane; membrane based ... See more keywords
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Recycling of phosphorus-containing plastic based on the dual effects of switchable hydrophilicity solvents.

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recommendations! Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.127402

Abstract: Plastic waste has caused severe environmental problems. Some additives in plastics, like organophosphates, enter the environment with plastic waste, causing significant harm to plants and creatures. However, the primary method of recycling phosphorus-containing plastic, especially… read more here.

Keywords: plastic; switchable hydrophilicity; containing plastic; phosphorus containing ... See more keywords
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Diamines as switchable-hydrophilicity solvents with improved phase behaviour

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recommendations! Published in 2018 at "RSC Advances"

DOI: 10.1039/c8ra05751f

Abstract: Removing solvents by distillation is not a sustainable process because it requires the use of volatile solvents and a high energy input. An alternative is to use a switchable-hydrophilicity solvent (SHS), which can be removed… read more here.

Keywords: switchable hydrophilicity; solvents improved; hydrophilicity; improved phase ... See more keywords
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Use of a switchable-hydrophilicity solvent as both a solvent and a catalyst in aldol condensation

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recommendations! Published in 2019 at "Green Chemistry"

DOI: 10.1039/c9gc02593f

Abstract: CO2 switchable N,N-dimethylcyclohexylamine was used as both a recyclable catalyst and solvent for aldol condensation, giving good to excellent yields. read more here.

Keywords: switchable hydrophilicity; hydrophilicity solvent; aldol condensation; catalyst ... See more keywords
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Intensified recovery of switchable hydrophilicity solvents in flow.

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recommendations! Published in 2021 at "Chemical communications"

DOI: 10.1039/d1cc03819b

Abstract: We present an integrated flow chemistry strategy using two membrane-based flow reactors to enhance the extraction and recovery rates of switchable hydrophilicity solvents (SHSs) by five times compared to batch reactors. The developed green flow… read more here.

Keywords: switchable hydrophilicity; recovery; chemistry; hydrophilicity solvents ... See more keywords
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Dissolution dynamics of a binary switchable hydrophilicity solvent-polymer drop into an acidic aqueous phase.

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recommendations! Published in 2022 at "Soft matter"

DOI: 10.1039/d2sm01275h

Abstract: Switchable hydrophilicity solvents (SHSs) are solvents defined by their ability to switch from their hydrophobic form to a hydrophilic form when brought into contact with an acidic trigger such as CO2. As a consequence, SHSs… read more here.

Keywords: polymer; dissolution; aqueous phase; switchable hydrophilicity ... See more keywords
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A New Green In Situ Effervescent CO2-Table-Induced Switchable Hydrophilicity Solvent Extraction Method of Rhodamine B in Food and Soft Drink Samples.

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recommendations! Published in 2020 at "Journal of AOAC International"

DOI: 10.1093/jaoacint/qsaa107

Abstract: BACKGROUND A new and simple effervescent CO2-table-induced switchable hydrophilicity solvent extraction method (CI-SHS) was used for the preconcentration of rhodamine B (RB). OBJECTIVE The main theme of the proposed method to disperse green solvent by… read more here.

Keywords: switchable hydrophilicity; co2 table; extraction; method ... See more keywords
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Switchable-Hydrophilicity Triethylamine: Formation and Synergistic Effects of Asphaltenes in Stabilizing Emulsions Droplets

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recommendations! Published in 2018 at "Materials"

DOI: 10.3390/ma11122431

Abstract: In this study, SHT (switchable-hydrophilicity triethylamine, [Et3NH]·[HCO3]) has been synthesized and instrumentally characterized by Fourier transform–infrared spectroscopy (FTIR) and 13C nuclear magnetic resonance (NMR). The operational synthesis conditions of SHT were optimized and determined at… read more here.

Keywords: switchable hydrophilicity; hydrophilicity triethylamine; synergistic effects; oil ... See more keywords