Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples

In the present work, the effectiveness of switchable hydrophobicity solvents (SHSs) as extraction solvent (<i>N</i>,<i>N</i>-Dimethylcyclohexylamine (DMCA), <i>N</i>,<i>N</i>-Diethylethanamine (TEA), and <i>N</i>,<i>N</i>-Benzyl...

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Main Authors: Guillermo Lasarte-Aragonés, Alejandro Álvarez-Lueje, Ricardo Salazar, Carla Toledo-Neira
Format: Article
Language:English
Published: MDPI AG 2019-12-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/1/86
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author Guillermo Lasarte-Aragonés
Alejandro Álvarez-Lueje
Ricardo Salazar
Carla Toledo-Neira
author_facet Guillermo Lasarte-Aragonés
Alejandro Álvarez-Lueje
Ricardo Salazar
Carla Toledo-Neira
author_sort Guillermo Lasarte-Aragonés
collection DOAJ
description In the present work, the effectiveness of switchable hydrophobicity solvents (SHSs) as extraction solvent (<i>N</i>,<i>N</i>-Dimethylcyclohexylamine (DMCA), <i>N</i>,<i>N</i>-Diethylethanamine (TEA), and <i>N</i>,<i>N</i>-Benzyldimethylamine (DMBA)) for a variety of emerging pollutants was evaluated. Different pharmaceutical products (nonsteroidal anti-inflammatory drugs (NSAIDs), hormones, and triclosan) were selected as target analytes, covering a range of hydrophobicity (LogP) of 3.1 to 5.2. The optimized procedure was used for the determination of the target pharmaceutical analytes in wastewater samples as model analytical problem. Absolute extraction recoveries were in the range of 51% to 103%. The presented method permits the determination of the target analytes at the low ng mL<sup>&#8722;1</sup> level, ranging from 0.8 to 5.9 (except for Triclosan, 106 ng mL<sup>&#8722;1</sup>) with good precision (relative standard deviation lower than 6%) using high-pressure liquid chromatography (HPLC) combined with ultraviolet (DAD) and fluorescence (FLR) detection. The microextraction alternative resulted in a fast, simple, and green method for a wide variety of analytes in environmental water sample. The results suggest that this type of solvent turns out to be a great alternative for the determination of different analytes in relatively complex water samples.
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spelling doaj.art-83e5a4baee9c41c885a2d17d4efeb43f2022-12-22T01:55:37ZengMDPI AGMolecules1420-30492019-12-012518610.3390/molecules25010086molecules25010086Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater SamplesGuillermo Lasarte-Aragonés0Alejandro Álvarez-Lueje1Ricardo Salazar2Carla Toledo-Neira3Departamento de Química Analítica, Instituto de Química Fina y Nanoquímica, Edificio Marie Curie Anexo, Campus de Rabanales, 14071 Córdoba, SpainDepartamento de Química Farmacológica y Toxicológica, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, 8380494 Santiago, ChileLaboratorio de Electroquímica MedioAmbiental, LEQMA, Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, 9170022 Santiago, ChileLaboratorio de Electroquímica MedioAmbiental, LEQMA, Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, 9170022 Santiago, ChileIn the present work, the effectiveness of switchable hydrophobicity solvents (SHSs) as extraction solvent (<i>N</i>,<i>N</i>-Dimethylcyclohexylamine (DMCA), <i>N</i>,<i>N</i>-Diethylethanamine (TEA), and <i>N</i>,<i>N</i>-Benzyldimethylamine (DMBA)) for a variety of emerging pollutants was evaluated. Different pharmaceutical products (nonsteroidal anti-inflammatory drugs (NSAIDs), hormones, and triclosan) were selected as target analytes, covering a range of hydrophobicity (LogP) of 3.1 to 5.2. The optimized procedure was used for the determination of the target pharmaceutical analytes in wastewater samples as model analytical problem. Absolute extraction recoveries were in the range of 51% to 103%. The presented method permits the determination of the target analytes at the low ng mL<sup>&#8722;1</sup> level, ranging from 0.8 to 5.9 (except for Triclosan, 106 ng mL<sup>&#8722;1</sup>) with good precision (relative standard deviation lower than 6%) using high-pressure liquid chromatography (HPLC) combined with ultraviolet (DAD) and fluorescence (FLR) detection. The microextraction alternative resulted in a fast, simple, and green method for a wide variety of analytes in environmental water sample. The results suggest that this type of solvent turns out to be a great alternative for the determination of different analytes in relatively complex water samples.https://www.mdpi.com/1420-3049/25/1/86emerging contaminantsswitchable hydrophobicity solventshomogeneous liquid-liquid microextractionhigh-performance liquid chromatographypartition coefficient
spellingShingle Guillermo Lasarte-Aragonés
Alejandro Álvarez-Lueje
Ricardo Salazar
Carla Toledo-Neira
Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples
Molecules
emerging contaminants
switchable hydrophobicity solvents
homogeneous liquid-liquid microextraction
high-performance liquid chromatography
partition coefficient
title Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples
title_full Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples
title_fullStr Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples
title_full_unstemmed Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples
title_short Application of Switchable Hydrophobicity Solvents for Extraction of Emerging Contaminants in Wastewater Samples
title_sort application of switchable hydrophobicity solvents for extraction of emerging contaminants in wastewater samples
topic emerging contaminants
switchable hydrophobicity solvents
homogeneous liquid-liquid microextraction
high-performance liquid chromatography
partition coefficient
url https://www.mdpi.com/1420-3049/25/1/86
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