Metal applications of liquid-phase microextraction

Aguirre, Miguel Ángel; Baile, Paola; Vidal, Lorena; Canals, Antonio

doi:10.1016/j.trac.2018.11.032

Cited by 67Analytical chemistry methods developmentElectrochemical Analysis and ApplicationsAnalytical Chemistry and Chromatography

Metal applications of liquid-phase microextraction

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Aguirre, Miguel Ángel, Baile, Paola, Vidal, Lorena, Canals, Antonio·2019·TrAC Trends in Analytical Chemistry

DOI 10.1016/j.trac.2018.11.032

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Abstract

Abstract This review focuses on the combination of elemental detection techniques with liquid-phase microextraction (LPME), namely, single drop microextraction, hollow fiber based liquid-phase microextraction, dispersive liquid-liquid microextraction, and related techniques. General features of different microextraction procedures, historical overview and automation of LPME are described and compared, along with examples of new developments and applications presented to demonstrate its potential for trace and ultra-trace metal analysis. Furthermore, potential applications and an outlook on the combination of LPME and elemental detection techniques for inorganic analysis are presented.

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LPME of metals has gained increasing attention since its introduction by Chamsaz in 2003 as a more efficient and environmentally friendly alternative to classical liquid-liquid extraction.
“Liquid phase micro-extraction (LPME) of metals has gained increasing attention since introduced by Chamsaz in 2003 [2], as a more efficient and environmentally friendly alternative to classical liquid-liquid extraction (LLE) [3].”
From Advances in ionic liquids and deep eutectic solvents-based liquid phase microextraction of metals for sample preparation in Environmental Analytical Chemistry (2021) · cites this paper as [3]
Surfactants such as Triton X-114, Triton X-100 and sodium dodecyl sulphate (SDS) have been applied as dispersants when highly viscous ILs are used in the extraction of saline samples.
“Also surfactants as Triton X-114, Triton X-100 and sodium dodecyl sulphate (SDS), have been applied as dispersants when highly viscous ILs are used in the extraction of saline samples [3].”
From Advances in ionic liquids and deep eutectic solvents-based liquid phase microextraction of metals for sample preparation in Environmental Analytical Chemistry (2021) · cites this paper as [3]
The discussion of conventional DLLME (accepted manuscript, p. 6) describes disperser solvents and mentions ionic liquids as alternative extractants. The References list includes an ionic-liquid extraction study involving saline solutions, but our copy does not say that Triton X-114, Triton X-100, or SDS were used as dispersants with highly viscous ionic liquids in saline samples. Searches for those surfactants and for viscosity did not find a supporting passage. (LLM, conf=0.73)
Experimental — accuracy not yet measured
The first use of ILs in HFLPME was the partial substitution of the molecular solvent by imidazolium based ILs, mainly [Cnmim][PF6], to improve metal extraction by a ligand.
“As for the rest of LPME techniques, the first use of ILs in HFLPME was the partial substitution of the molecular solvent by imidazolium based ILs, mainly [C n mim][PF 6 ], to improve metal extraction by a ligand [3,6].”
From Advances in ionic liquids and deep eutectic solvents-based liquid phase microextraction of metals for sample preparation in Environmental Analytical Chemistry (2021) · cites this paper as [3]
Section 2.2 describes HF-LPME but does not discuss ionic liquids or its earliest uses. Section 3 describes an imidazolium hexafluorophosphate ionic liquid extracting a cadmium complex in vortex-assisted LPME, a different technique. Searches for partial solvent substitution and the first use of ionic liquids in HF-LPME found no passage addressing the claim. (LLM, conf=0.76)
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Authors: Aguirre, M. Á., Baile, P., Vidal, L., & Canals, A.
Affiliations: University of Alicante (ES)
Corresponding author: Aguirre, Miguel Ángel
Vidal, Lorena
ORCID: Aguirre, Miguel Ángel
Baile, Paola
Vidal, Lorena
Canals, Antonio
Venue: TrAC Trends in Analytical Chemistry
Publisher: Elsevier BV
Published: 2019-03
Volume: 112
Pages: 241-247
ISSN: 0165-9936 (ISSN-L)
DOI: 10.1016/j.trac.2018.11.032
OpenAlex: W2901991506
Semantic Scholar: a52ed968b1adc1eb9ccbddda5f3ddc282a9b1992
Cited by: 67
References: 47
Citations by year: 2026: 5 · 2025: 5 · 2024: 9 · 2023: 7 · 2022: 13 · 2021: 10 · 2020: 12 · 2019: 5 · 2013: 1
FWCI: 4.21
Type: journal article
Language: en
Open access: green
hdl.handle.net
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
www.elsevier.com/legal/tdmrep-license (tdm)
Locations: TrAC Trends in Analytical Chemistry (publishedVersion)
LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion)
Repositorio Institucional de la Universidad de Alicante (Universidad de Alicante) (submittedVersion)
Funders: Ministerio de Economía y Competitividad
European Commission
Federación Española de Enfermedades Raras (CTQ2016-79991-R)
Ministerio de Educación, Cultura y Deporte (FPU14/04589)
Topics: Physical Sciences › Chemistry › Analytical Chemistry › Analytical chemistry methods development
Physical Sciences › Chemistry › Electrochemistry › Electrochemical Analysis and Applications
Physical Sciences › Chemistry › Spectroscopy › Analytical Chemistry and Chromatography
Keywords: liquid-phase microextraction, metal analysis, single-drop microextraction, hollow fiber liquid phase microextraction, dispersive liquid-liquid microextraction, trace metal analysis, inorganic analysis

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Metal applications of liquid-phase microextraction

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