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Pinheiro JP, Rotureau E. Electroanalytical Trace Metal Cations Quantification and Speciation in Freshwaters: Historical Overview, Critical Review of the Last Five Years and Road Map for Developing Dynamic Speciation Field Measurements. Molecules 2023; 28:molecules28062831. [PMID: 36985802 PMCID: PMC10056914 DOI: 10.3390/molecules28062831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/17/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
An historical overview covering the field of electroanalytical metal cations speciation in freshwaters is presented here, detailing both the notable experimental and theoretical developments. Then, a critical review of the progress in the last five years is given, underlining in particular the improvements in electrochemical setups and methodologies dedicated to field surveys. Given these recent achievements, a road map to carry out on-site dynamic metal speciation measurements is then proposed, and the key future developments are discussed. This review shows that electroanalytical stripping techniques provide a unique framework for quantitatively assessing metals at trace levels while offering access to both thermodynamic and dynamic features of metal complexation with natural colloidal and particulate ligands.
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Affiliation(s)
- José Paulo Pinheiro
- Université de Lorraine, CNRS, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), F-54000 Nancy, France
| | - Elise Rotureau
- Université de Lorraine, CNRS, Laboratoire Interdisciplinaire des Environnements Continentaux (LIEC), F-54000 Nancy, France
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López-Solís L, Companys E, Puy J, Blindauer CA, Galceran J. Direct determination of free Zn concentration in samples of biological interest. Anal Chim Acta 2022; 1229:340195. [DOI: 10.1016/j.aca.2022.340195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/25/2022] [Accepted: 07/19/2022] [Indexed: 11/01/2022]
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Xin Y, Wang Z, Yao C, Shen H, Miao Y. Bismuth, a Previously Less‐studied Element, Is Bursting into New Hotspots. ChemistrySelect 2022. [DOI: 10.1002/slct.202201220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yanmei Xin
- Institute of Bismuth Science School of Materials and Chemistry University of Shanghai for Science and Technology Jungong Rd 334# Shanghai 200093 China
| | - Zhuo Wang
- Institute of Bismuth Science School of Materials and Chemistry University of Shanghai for Science and Technology Jungong Rd 334# Shanghai 200093 China
| | - Congfei Yao
- Institute of Bismuth Science School of Materials and Chemistry University of Shanghai for Science and Technology Jungong Rd 334# Shanghai 200093 China
| | - Haocheng Shen
- Institute of Bismuth Science School of Materials and Chemistry University of Shanghai for Science and Technology Jungong Rd 334# Shanghai 200093 China
| | - Yuqing Miao
- Institute of Bismuth Science School of Materials and Chemistry University of Shanghai for Science and Technology Jungong Rd 334# Shanghai 200093 China
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Marcinek S, Chapoulie A, Salaün P, Smith S, Omanović D. Revised application of copper ion selective electrode (Cu-ISE) in marine waters: A new meta-calibration approach. Talanta 2021; 226:122170. [PMID: 33676712 DOI: 10.1016/j.talanta.2021.122170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 11/24/2022]
Abstract
Copper (Cu) is a bio-essential trace element that is of concerns due to its potential toxicity at concentrations commonly encountered in coastal waters. Here, we revisit the applicability of Cu(II) ion selective electrode (Cu-ISE) based on a jalpaite membrane for the measurement of Cufree in seawater. At high total Cu concentration (>0.1 mM), (near)Nernstian slope was obtained and determination of Cufree down to fM levels was possible. However, this slope decreases with decreasing total Cu concentration (e.g. 7 mV/decade at 15 nM total Cu) making the use of a common single calibration approach unreliable. To solve this problem, we carried out several calibrations at different levels of total Cu (15 nM - 1 mM) and ethylenediamine (EN: 5 μM - 15 mM) and fitted the calibration parameters (slope and intercept) as a function of total Cu using the Gompertz function (a meta-calibration approach). The derived empirical equations allowed the determination of Cufree at any total Cu concentration above 20 nM (determination of Cufree at lower total Cu levels is prevented by the dissolution of the electrode). We successfully tested this meta-calibration approach in UV digested seawater in presence of a synthetic ligand (EN), isolated natural organic matter (humic acid, HA) and in a natural estuarine sample. In each case, our meta-calibration approach provided a good agreement with modeled speciation data (Visual MINTEQ), while standard single approach failed. We provide here a new method for the direct determination of the free Cu ion concentration in seawater at levels relevant for coastal waters.
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Affiliation(s)
- Saša Marcinek
- Ruđer Bošković Institute, Center for Marine and Environmental Research, Bijenička Cesta 54, 10000, Zagreb, Croatia.
| | - Arnaud Chapoulie
- Ecole Nationale Supérieure D'Ingénieurs de Caen (ENSICAEN), 6 Boulevard Maréchal Juin, 14050, Caen, France
| | - Pascal Salaün
- Department of Earth and Ocean Sciences, University of Liverpool, Liverpool, L69 3GP, UK
| | - Scott Smith
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Avenue West, Waterloo, ON, N2L 3C5, Canada
| | - Dario Omanović
- Ruđer Bošković Institute, Center for Marine and Environmental Research, Bijenička Cesta 54, 10000, Zagreb, Croatia.
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Nuñez RN, Moreno Betancourth J, Ortiz PI, Pfaffen V. Voltammetric Quantification of 4-Nitrophenol Using a Multivariate Optimized Plated Bismuth Film Electrode. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01700] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rodrigo N. Nuñez
- INFIQC−CONICET and Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
| | | | - Patricia I. Ortiz
- INFIQC−CONICET and Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
| | - Valeria Pfaffen
- INFIQC−CONICET and Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina
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Tehrani MH, Companys E, Dago A, Puy J, Galceran J. Free indium concentration determined with AGNES. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 612:269-275. [PMID: 28850847 DOI: 10.1016/j.scitotenv.2017.08.200] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 06/27/2017] [Accepted: 08/18/2017] [Indexed: 06/07/2023]
Abstract
Indium is increasingly used in electronic devices, from which it can be mobilized towards environmental compartments. Speciation of In in waters is important for its direct ecotoxicological effects, as well as for the fate of this element in the environment (e.g. fluxes from or towards sediments). Free indium concentrations in the environment can be extremely low due to hydrolysis, especially important in trivalent cations, to precipitation and to complexation with different ligands. In this work, the free indium concentration (which is a toxicologically and geochemically relevant fraction) in aqueous solutions at pH3 has been measured with an adapted version of the electroanalytical technique AGNES (Absence of Gradients and Nernstian Equilibrium Stripping). Speciation measurements in mixtures of indium with the ligands NTA (nitrilotriacetic acid) and oxalate indicate that the values of their stability constants in the NIST46.6 database are less adequate than those published in some more recent literature. The extraordinary lability and mobility of In-oxalate complexes allow the measuring of free indium concentrations below nmol/L in just 25s of deposition time.
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Affiliation(s)
- Marjan H Tehrani
- Departament de Química, Universitat de Lleida, and AGROTECNIO, Rovira Roure 191, 25198 Lleida, Catalonia, Spain
| | - Encarna Companys
- Departament de Química, Universitat de Lleida, and AGROTECNIO, Rovira Roure 191, 25198 Lleida, Catalonia, Spain.
| | - Angela Dago
- Departament de Química, Universitat de Lleida, and AGROTECNIO, Rovira Roure 191, 25198 Lleida, Catalonia, Spain
| | - Jaume Puy
- Departament de Química, Universitat de Lleida, and AGROTECNIO, Rovira Roure 191, 25198 Lleida, Catalonia, Spain
| | - Josep Galceran
- Departament de Química, Universitat de Lleida, and AGROTECNIO, Rovira Roure 191, 25198 Lleida, Catalonia, Spain
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Abstract
Electrochemical stripping analysis (ECSA) is a promising method for metal ions detection. However, the low sensitivity and poor reproducibility limits its practical applications. The combination with other powerful detection techniques to address these concerns is highly desirable. Herein, the anodic stripping method and photoelectrochemical (PEC) technique are integrated into a new detection platform of PEC stripping analysis (PECSA) with bismuth vanadate (BiVO4) as both optoelectronic material and an electrochemical enrichment candidate. The new PECSA strategy presents high sensitivity and excellent reproducibility; in addition, inherited from the ECSA, this strategy also offers new selectivity dimensions through the potential-dependent response and thus implements reproducible, sensitive, and selective detection of silver ion (Ag+) in real biological and environmental samples. The success of PECAS strategy shed light on the rational combination of various analysis techniques for versatile applications.
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Affiliation(s)
- Yanmei Xin
- School of Chemistry and Molecular Engineering, East China Normal University , 500 Dongchuan Road, Shanghai 200241, China
| | - Zhonghai Zhang
- School of Chemistry and Molecular Engineering, East China Normal University , 500 Dongchuan Road, Shanghai 200241, China
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Gerent GG, Spinelli A. Environmentally-friendly in situ plated bismuth-film electrode for the quantification of the endocrine disruptor parathion in skimmed milk. JOURNAL OF HAZARDOUS MATERIALS 2016; 308:157-163. [PMID: 26812083 DOI: 10.1016/j.jhazmat.2016.01.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 12/30/2015] [Accepted: 01/14/2016] [Indexed: 06/05/2023]
Abstract
An in situ bismuth-film electrode (BiFE) together with square-wave cathodic voltammetry (SWCV) was used to determine the concentration of the endocrine disruptor parathion in skimmed milk. The experimental conditions (deposition time, deposition potential and Bi (III) concentration) were optimized for the preparation of the BiFE. A glassy carbon electrode was used as the substrate. The selection of the chemical composition of the supporting electrolyte and the solution pH was aimed at improving the reduction of parathion at the BiFE surface. In addition, the parameters of the square-wave cathodic voltammetry were adjusted to improve the sensor performance. A cathodic current identified at -0.523 V increased linearly with the parathion concentration in the range of 0.2-2.0 μmol L(-1) (R=0.999). The sensitivity of the calibration curve obtained was 4.09 μA L μmol(-1), and the limits of detection (LOD) and quantification (LOQ) were 55.7 nmol L(-1) and 169.0 nmol L(-1), respectively. The performance of the sensor was tested using a sample of skimmed milk with parathion added. The same determination was carried out by UV-vis spectroscopy and the results obtained were used for the statistical evaluation of the data obtained.
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Affiliation(s)
- Giles G Gerent
- Grupo de Estudos de Processos Eletroquímicos e Eletroanalíticos, Universidade Federal de Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Departamento de Química-CFM, 88040-900, Florianópolis SC, Brazil
| | - Almir Spinelli
- Grupo de Estudos de Processos Eletroquímicos e Eletroanalíticos, Universidade Federal de Santa Catarina, Campus Universitário Reitor João David Ferreira Lima, Departamento de Química-CFM, 88040-900, Florianópolis SC, Brazil.
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AGNES at vibrated gold microwire electrode for the direct quantification of free copper concentrations. Anal Chim Acta 2016; 920:29-36. [PMID: 27114220 DOI: 10.1016/j.aca.2016.03.035] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/09/2016] [Accepted: 03/23/2016] [Indexed: 11/23/2022]
Abstract
The free metal ion concentration and the dynamic features of the metal species are recognized as key to predict metal bioavailability and toxicity to aquatic organisms. Quantification of the former is, however, still challenging. In this paper, it is shown for the first time that the concentration of free copper (Cu(2+)) can be quantified by applying AGNES (Absence of Gradients and Nernstian equilibrium stripping) at a solid gold electrode. It was found that: i) the amount of deposited Cu follows a Nernstian relationship with the applied deposition potential, and ii) the stripping signal is linearly related with the free metal ion concentration. The performance of AGNES at the vibrating gold microwire electrode (VGME) was assessed for two labile systems: Cu-malonic acid and Cu-iminodiacetic acid at ionic strength 0.01 M and a range of pH values from 4.0 to 6.0. The free Cu concentrations and conditional stability constants obtained by AGNES were in good agreement with stripping scanned voltammetry and thermodynamic theoretical predictions obtained by Visual MinteQ. This work highlights the suitability of gold electrodes for the quantification of free metal ion concentrations by AGNES. It also strongly suggests that other solid electrodes may be well appropriate for such task. This new application of AGNES is a first step towards a range of applications for a number of metals in speciation, toxicological and environmental studies for the direct determination of the key parameter that is the free metal ion concentration.
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Bismuth film electrode for anodic stripping voltammetric measurement of silver nanoparticle dissolution. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.11.110] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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