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Novel Analytical Methods to Evaluate and Monitor the Pollutants

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Analytical Chemistry".

Deadline for manuscript submissions: 1 March 2025 | Viewed by 891

Special Issue Editor


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Guest Editor
College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637000, China
Interests: chromatography; capillary electrophoresis; chemosensors; nanoanalytical chemistry; environmental analytical chemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Environmental pollution is a major global concern as it affects human health and ecosystems. Currently, there are many analytical techniques and strategies available for the qualitative and quantitative assessment of various pharmaceuticals, personal care products, heavy metals, organic compounds, micro- and nanoplastics, surfactants, and pathogens in different environments. In recent decades, rapid developments in the field of analytical instrumentation have produced sophisticated tools that can provide unique and in-depth insights into the chemical properties of various environmental matrices. Although there have been many studies on the application of analytical methods in environmental studies, technological advances, especially the combination of methods and parameters, have presented new possibilities to answer questions that until recently could not be addressed due to instrumental limitations. This Special Issue invites original research papers on the latest advances in the development of environmental analytical techniques. It will cover a wide range of topics, including the development of chemosensors, chromatography, and other environmental analytical techniques. In addition, we welcome targeted review articles examining the state of the art, identifying emerging trends, and suggesting future directions for the development of new applications in this field.

Prof. Dr. Xiupei Yang
Guest Editor

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Keywords

  • environmental analytical chemistry
  • contaminants
  • environmental pollution
  • chemosensors
  • chromatography
  • analytical methods
  • detection
  • analysis

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Published Papers (1 paper)

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Research

16 pages, 3375 KiB  
Article
Mastering Snow Analysis: Enhancing Sampling Techniques and Introducing ACF Extraction Method with Applications in Svalbard
by Marina Cerasa, Catia Balducci, Benedetta Giannelli Moneta, Ettore Guerriero, Maria Luisa Feo, Alessandro Bacaloni and Silvia Mosca
Molecules 2024, 29(21), 5111; https://doi.org/10.3390/molecules29215111 - 29 Oct 2024
Viewed by 567
Abstract
Semi-volatile organic contaminants (SVOCs) are known for their tendency to evaporate from source regions and undergo atmospheric transport to distant areas. Cold condensation intensifies dry deposition, particle deposition, and scavenging by snow and rain, allowing SVOCs to move from the atmosphere into terrestrial [...] Read more.
Semi-volatile organic contaminants (SVOCs) are known for their tendency to evaporate from source regions and undergo atmospheric transport to distant areas. Cold condensation intensifies dry deposition, particle deposition, and scavenging by snow and rain, allowing SVOCs to move from the atmosphere into terrestrial and aquatic ecosystems in alpine and polar regions. However, no standardized methods exist for the sampling, laboratory processing, and instrumental analysis of persistent organic pollutants (POPs) in snow. The lack of reference methods makes these steps highly variable and prone to errors. This study critically reviews the existing literature to highlight the key challenges in the sampling phase, aiming to develop a reliable, consistent, and easily reproducible technique. The goal is to simplify this crucial step of the analysis, allowing data to be shared more effectively through standardized methods, minimizing errors. Additionally, an innovative method for laboratory processing is introduced, which uses activated carbon fibers (ACFs) as adsorbents, streamlining the analysis process. The extraction method is applied to analyze polychlorobiphenyls (PCBs) and chlorinated pesticides (α-HCH, γ-HCH, p,p′-DDE, o,p′-DDT, HCB, and PeCB). The entire procedure, from sampling to instrumental analysis, is subsequently tested on snow samples collected on the Svalbard Islands. To validate the efficiency of the new extraction system, quality control measures based on the EPA methods 1668B and 1699 for aqueous methods are employed. This study presents a new, reliable method that covers both sampling and lab analysis, tailored for detecting POPs in snow. Full article
(This article belongs to the Special Issue Novel Analytical Methods to Evaluate and Monitor the Pollutants)
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