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Advances in the Determination of Trace Metals, Metalloids and Organic Pollutants in Water Samples

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 8138

Special Issue Editors

Dr. Barbara Leśniewska

E-Mail Website
Guest Editor
Department of Analytical Chemistry, Faculty of Chemistry, University of Bialystok, K. Ciołkowskiego 1K Street, 15-245 Bialystok, Poland
Interests: analytical chemistry; environmental, biological and food analysis; inorganic pollutants (heavy metals, platinum group metals); development of analytical techniques (solid phase extraction, liquid chromatography, atomic spectrometry: AAS, ICP-MS); speciation/fractionation of metal; bioavailability of heavy metals; environmental monitoring
Dr. Julita Malejko

E-Mail Website
Guest Editor
Department of Analytical Chemistry, Faculty of Chemistry, University of Bialystok, K. Ciołkowskiego 1K Street, 15-245 Bialystok, Poland
Interests: determination of metals in food; environmental and biological samples using chemiluminescent methods and ICP-MS; speciation analysis of metal ions and nanoparticles using HPLC-ICP-MS and single particle ICP-MS

Special Issue Information

Dear Colleagues,

Heavy metals, metalloids and organic pollutions in water may originate from both natural (mineral weathering) and anthropogenic sources (industrial activities, household and hospitals effluents, atmospheric deposition, and traffic related emissions). In recent years, in connection with the development of our society and technological progress, new inorganic and organic contaminants, such as platinum group metals (PGM), rare earth elements (REE), metal nanoparticles, pharmaceuticals, pesticides, personal care products are introduced into water. In water environment these pollutants may be present in dissolved forms  as well as accumulated in the bottom sediments. Despite their low concentrations in the aquatic environment, frequent exposure to them may create a risk to aquatic organisms and human health. Determination of trace metals, metalloids and organic pollutants in water is essential for the evaluation of water quality. Studies on the behaviour and transformations of inorganic and organic pollutants in aquatic environment are crucial to understand their eco-toxicity. For this purpose, the development of interference free analytical methods with good sensitivity and accuracy is still necessary.

In light of the above, we would like to call for papers presenting recent innovative developments within the field of determination of trace metals, metalloids and organic pollutants in water. This special issue of Water is addressed, but not limited to, the following research areas:

  • heavy and toxic metals and metalloids in natural and drinking waters, new contaminants as e.g., metal nanoparticles, PGM, REE;
  • organic pollutants as e.g., pharmaceuticals, pesticides, personal care products in natural and drinking water;

  • development in sample preparation methods, separation and pre-concentration of analytes from interfering matrix;

  • advances in determination of these pollutants by spectrometric, voltammetric, chromatographic and other determination methods (including coupled techniques);
  • speciation of metals and metalloids in waters;
  • quality assurance and quality control in water analysis.

Dr. Barbara Leśniewska
Dr. Julita Malejko
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • trace metals and metaloids
  • farmaceuticals
  • personal care products
  • organic pollutants
  • natural water
  • drinking water
  • analytical methods
  • separation/isolation
  • spectrometric detection
  • voltammetric detection
  • chromatographic separation
  • speciation/fractionation
  • water quality

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

21 pages, 3766 KiB  
Article
Assessment and Spatiotemporal Variability of Heavy Metals Pollution in Water and Sediments of a Coastal Landscape at the Nile Delta
by Ahmed Abdelaal, Ahmed I. Abdelkader, Fahad Alshehri, Asmaa Elatiar and Sattam A. Almadani
Water 2022, 14(23), 3981; https://doi.org/10.3390/w14233981 - 6 Dec 2022
Cited by 9 | Viewed by 2517
Abstract
This study assessed the spatiotemporal variability and pollution grades of heavy metals in water and sediments of Bahr El-Baqar drain, Eastern Nile Delta, Egypt, by integration of geochemical analysis, metal pollution indices, correlation, and multivariate statistical analyses. Twenty samples of water and sediments [...] Read more.
This study assessed the spatiotemporal variability and pollution grades of heavy metals in water and sediments of Bahr El-Baqar drain, Eastern Nile Delta, Egypt, by integration of geochemical analysis, metal pollution indices, correlation, and multivariate statistical analyses. Twenty samples of water and sediments were collected during 2018 and analyzed for heavy metal concentrations using ICP-OES. Heavy metal contents in the water samples followed the order: Fe > Zn > Al > Pb > Mn > Cu > Ni. The drain sediments were highly contaminated with heavy metals that followed the order: Fe > Al > Mn > V > Zn > Cu > Cr > Ba > Ni > Pb > As. Spatiotemporally, most metals in the drain sediments showed a decreasing trend from upstream (south) to downstream sites (north). Results of principal component analysis (PCA) supported those from the Pearson correlation between investigated heavy metals. In water, Mn, Ni, Pb, Zn, Cu, and Fe showed highly significant correlations. In sediments, Ba, Ni, Zn, Fe, Al, Mn, and V showed strong positive correlations indicating that these metals were derived from similar anthropogenic sources. The calculated metal pollution indices: enrichment factor (EF), contamination factor (CF), pollution load index (PLI), degree of contamination (DC), and index of geo-accumulation (Igeo) indicated high loadings of heavy metals in the drain sediments. EFs revealed low, moderate to significant enrichment, whereas CFs showed low, moderate, and considerable contamination. PLI indicated low, baseline, and progressive contamination, while DC indicated low, moderate, and considerable degree of contamination. Igeo of all investigated metals (except for As; class 1) indicated extremely contaminated sediments (class 7). Full article
(This article belongs to the Special Issue Advances in the Determination of Trace Metals, Metalloids and Organic Pollutants in Water Samples)
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16 pages, 964 KiB  
Article
Development of Solid Phase Extraction Method Based on Ion Imprinted Polymer for Determination of Cr(III) Ions by ETAAS in Waters
by Laura Trzonkowska, Barbara Leśniewska and Beata Godlewska-Żyłkiewicz
Water 2022, 14(4), 529; https://doi.org/10.3390/w14040529 - 10 Feb 2022
Cited by 14 | Viewed by 2567
Abstract
In this work, a new solid phase extraction method for the determination of chromium species in water samples by electrothermal atomic absorption spectrometry was developed. For selective separation of Cr(III) ions under dynamic conditions, two ion imprinted polymers containing Cr(III)-1,10-phenanthroline complex (Cr(III)-phen) were [...] Read more.
In this work, a new solid phase extraction method for the determination of chromium species in water samples by electrothermal atomic absorption spectrometry was developed. For selective separation of Cr(III) ions under dynamic conditions, two ion imprinted polymers containing Cr(III)-1,10-phenanthroline complex (Cr(III)-phen) were prepared with the use of one (styrene, ST) or two (styrene and 4-vinylpyridine, ST-4VP) functional monomers. The physicochemical properties of those solid sorbents towards Cr(III) ions were studied and compared. It was found that Cr(III) ions were retained on the Cr(III)-phen-ST and Cr(III)-phen-ST-4VP polymers with high efficiency and repeatability (91.6% and 92.9%, RSD < 2%) from solutions at pH 4.5. The quantitative recovery of the analyte (91.7% and 93.9%, RSD < 4%) was obtained with 0.1 mol/L EDTA solution. The introduction of 4VP, an additional functional monomer, improved selectivity of the Cr(III)-phen-ST-4VP polymer towards Cr(III) ions in the presence of Cu(II), Mn(II) and Fe(III) ions, and slightly decreased the sorption capacity and stability of that polymer. The accuracy of procedures based on both polymeric sorbents was proved by analyzing the standard reference material of surface water SRM 1643e. The method using the Cr(III)-phen-ST polymer was applied for determining of Cr(III) ions in tap water and infusion of a green tea. Full article
(This article belongs to the Special Issue Advances in the Determination of Trace Metals, Metalloids and Organic Pollutants in Water Samples)
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15 pages, 3415 KiB  
Article
Ionic Liquid-Multiwalled Carbon Nanotubes Nanocomposite Based All Solid State Ion-Selective Electrode for the Determination of Copper in Water Samples
by Cecylia Wardak, Karolina Pietrzak and Małgorzata Grabarczyk
Water 2021, 13(20), 2869; https://doi.org/10.3390/w13202869 - 14 Oct 2021
Cited by 8 | Viewed by 2078
Abstract
A new copper sensitive all solid-state ion-selective electrode was prepared using multiwalled carbon nanotubes-ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate) nanocomposite as an additional membrane component. The effect of nanocomposite content in the membrane on the electrode parameters was investigated. The study compares, among others, detection [...] Read more.
A new copper sensitive all solid-state ion-selective electrode was prepared using multiwalled carbon nanotubes-ionic liquid (1-butyl-3-methylimidazolium hexafluorophosphate) nanocomposite as an additional membrane component. The effect of nanocomposite content in the membrane on the electrode parameters was investigated. The study compares, among others, detection limits, sensitivity, and the linearity ranges of calibration curves. Content 6 wt.% was considered optimal for obtaining an electrode with a Nernstian response of 29.8 mV/decade. An electrode with an optimal nanocomposite content in the membrane showed a lower limit of detection, a wider linear range and pH range, as well as better selectivity and potential stability compared to the unmodified electrode. It was successfully applied for copper determination in real water samples. Full article
(This article belongs to the Special Issue Advances in the Determination of Trace Metals, Metalloids and Organic Pollutants in Water Samples)
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