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Reactive gaseous mercury is generated from chloralkali factories resulting in extreme concentrations of mercury in hair of workers
Trace Element Speciation Laboratory, University of Aberdeen, Department of Chemistry, Aberdeen, UK.
Trace Element Speciation Laboratory, University of Aberdeen, Department of Chemistry, Aberdeen, UK.
LG & RD Complex, Ministry of Climate Change, Islamabad, Pakistan.
Future Industries Institute, University of South Australia, Mawson Lakes SA, Australia.
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2018 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 8, no 1, article id 3675Article in journal (Refereed) Published
Abstract [en]

Occupational exposure of chloralkali workers to highly concentrated mercury (Hg) vapour has been linked to an increased risk of renal dysfunction and behavioural changes. It is generally believed that these workers are exposed to elemental Hg, which is used in abundance during the production process however, the lack in analytical techniques that would allow for identification of gaseous Hg species poses a challenge, which needs to be addressed in order to reach a consensus. Here, we present the results from simulated exposure studies, which provide sound evidence of higher adsorption rate of HgCl2 than Hg-0 and its irreversible bonding on the surface of hair. We found that chloralkali workers were exposed to HgCl2, which accumulated in extremely high concentrations on the hair surface, more than 1,000 times higher than expected from unexposed subjects and was positively correlated with Hg levels in the finger- and toenails.

Place, publisher, year, edition, pages
Nature Publishing Group, 2018. Vol. 8, no 1, article id 3675
National Category
Occupational Health and Environmental Health
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URN: urn:nbn:se:oru:diva-65447DOI: 10.1038/s41598-018-20544-5ISI: 000426151800008PubMedID: 29487292Scopus ID: 2-s2.0-85042714707OAI: oai:DiVA.org:oru-65447DiVA, id: diva2:1187252
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Funding Agency:

UNEP Chemicals

Available from: 2018-03-02 Created: 2018-03-02 Last updated: 2018-08-20Bibliographically approved

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Fiedler, Heidelore

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