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- Title
Recent Trends and Future Perspectives of Emergent Analytical Techniques for Mercury Sensing in Aquatic Environments.
- Authors
Ali, Shahid; Mansha, Muhammad; Baig, Nadeem; Khan, Safyan Akram
- Abstract
Environmental emissions of mercury from industrial waste and natural sources, even in trace amounts, are toxic to organisms and ecosystems. However, industrial‐scale mercury detection is limited by the high cost, low sensitivity/specificity, and poor selectivity of the available analytical tools. This review summarizes the key sensors for mercury detection in aqueous environments: colorimetric‐, electrochemical‐, fluorescence‐, and surface‐enhanced Raman spectroscopy‐based sensors reported between 2014–2021. It then compares the performances of these sensors in the determination of inorganic mercury (Hg2+) and methyl mercury (CH3Hg+) species in aqueous samples. Mercury sensors for aquatic applications still face serious challenges in terms of difficult deployment in remote areas and low robustness, reliability, and selectivity in harsh environments. We provide future perspectives on the selective detection of organomercury species, which are especially toxic and reactive in aquatic environments. This review is intended as a valuable resource for scientists in the field of mercury sensing.
- Subjects
MERCURY; INDUSTRIAL wastes; METHYLMERCURY; DETECTION limit; ECOSYSTEMS
- Publication
Chemical Record, 2022, Vol 22, Issue 7, p1
- ISSN
1527-8999
- Publication type
Article
- DOI
10.1002/tcr.202100327