Recent applications and novel strategies for mercury determination in environmental samples using microextraction-based approaches: A review.

J Hazard Mater

CNR-Institute of Atmospheric Pollution Research, Rende, Italy; Department of Chemistry and Chemical Technologies, University of Calabria, Via P. Bucci, Rende, Italy. Electronic address:

Published: July 2022

AI Article Synopsis

  • The scientific community is focusing on developing simpler, cost-effective, and environmentally friendly methods to monitor mercury (Hg) levels in the environment, driven by the need to manage its emissions and assess reduction policies.
  • Microextraction techniques are highlighted as effective, reliable, and sustainable methods for preparing samples to measure environmental Hg across various compartments, including air, water, soil, and biota.
  • The review discusses recent advancements in these techniques, identifies limitations, and emphasizes the need for future research on in-situ sampling, natural materials, and metrological support to enhance data reliability and comparability.

Article Abstract

The growing need to monitor Hg levels in the environment to control its emissions and evaluate the effectiveness of reduction policies is driving the scientific community to focus efforts on creating analytical methods that are simpler, lower cost, more performing, and environmentally sustainable. In this context, an important contribution is provided by microextraction techniques, which have long proven to be simple, reliable, and to ensure an environmentally responsible sample preparation. This manuscript reviews the recent progress in the determination of environmental Hg using microextraction techniques. The considered studies involve all environmental compartments (i.e., air, water, soil, and biota) and have been discussed by grouping them according to the employed technique while pointing out the main advances achieved and the most important limitations. The ultimate goal is to provide an up-to-date overview of the analytical potential of microextraction techniques that can be exploited in various investigation fields and to highlight the most important knowledge gaps that should be addressed in the coming years, such as in-situ sampling, the use of natural materials, and the value of metrological support to obtain data SI-traceable and comparable.

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Source
http://dx.doi.org/10.1016/j.jhazmat.2022.128823DOI Listing

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