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Bio-availability of tungsten in the vicinity of an abandoned mine in the English Lake District and some potential health implications

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Title: Bio-availability of tungsten in the vicinity of an abandoned mine in the English Lake District and some potential health implications
Authors: Wilson, Bob bob.wilson@ntu.ac.uk, Pyatt, F. Brian1
Source: Science of the Total Environment. Nov2006, Issue 2/3, p401-408. 8p.
Subjects: Ethylenediaminetetraacetic acid, Chromium group, Native element minerals, Metallurgy
Abstract: Abstract: This research addresses the occurrence, detection and possible fate of tungsten in the vicinity of an abandoned mine in the English Lake District. Aqua regia extraction and subsequent analysis of spoil and vegetation confirmed the presence of tungsten and other heavy metals. Spoil samples examined were last worked almost 100 years ago and the concentrations of copper, zinc, tungsten and arsenic detected demonstrate the environmental persistence of these metals in an area of relatively high rainfall. The bioaccumulation of tungsten by two species of plants is indicated and partitioning within different tissues of Calluna vulgaris is demonstrated. Mechanisms relating to mobility and speciation of the metals present were explored using sequential and single stage extraction systems. Tungsten appears to be relatively immobile when subjected to sequential extraction but increased bioavailability is indicated when single stage extraction using EDTA is employed. [Copyright &y& Elsevier]
Copyright of Science of the Total Environment is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 22635072
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Bio-availability of tungsten in the vicinity of an abandoned mine in the English Lake District and some potential health implications
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  Data: <searchLink fieldCode="AR" term="%22Wilson%2C+Bob%22">Wilson, Bob</searchLink><i> bob.wilson@ntu.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Pyatt%2C+F%2E+Brian%22">Pyatt, F. Brian</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Science+of+the+Total+Environment%22">Science of the Total Environment</searchLink>. Nov2006, Issue 2/3, p401-408. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Ethylenediaminetetraacetic+acid%22">Ethylenediaminetetraacetic acid</searchLink><br /><searchLink fieldCode="DE" term="%22Chromium+group%22">Chromium group</searchLink><br /><searchLink fieldCode="DE" term="%22Native+element+minerals%22">Native element minerals</searchLink><br /><searchLink fieldCode="DE" term="%22Metallurgy%22">Metallurgy</searchLink>
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  Data: Abstract: This research addresses the occurrence, detection and possible fate of tungsten in the vicinity of an abandoned mine in the English Lake District. Aqua regia extraction and subsequent analysis of spoil and vegetation confirmed the presence of tungsten and other heavy metals. Spoil samples examined were last worked almost 100 years ago and the concentrations of copper, zinc, tungsten and arsenic detected demonstrate the environmental persistence of these metals in an area of relatively high rainfall. The bioaccumulation of tungsten by two species of plants is indicated and partitioning within different tissues of Calluna vulgaris is demonstrated. Mechanisms relating to mobility and speciation of the metals present were explored using sequential and single stage extraction systems. Tungsten appears to be relatively immobile when subjected to sequential extraction but increased bioavailability is indicated when single stage extraction using EDTA is employed. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Science of the Total Environment is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.scitotenv.2006.07.026
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 401
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      – SubjectFull: Ethylenediaminetetraacetic acid
        Type: general
      – SubjectFull: Chromium group
        Type: general
      – SubjectFull: Native element minerals
        Type: general
      – SubjectFull: Metallurgy
        Type: general
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      – TitleFull: Bio-availability of tungsten in the vicinity of an abandoned mine in the English Lake District and some potential health implications
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              Text: Nov2006
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              Y: 2006
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              Value: 2/3
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