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dc.contributor.authorTurner, Andrew
dc.contributor.authorChan, CC
dc.contributor.authorBrown, Murray
dc.date.accessioned2018-08-29T15:18:51Z
dc.date.issued2018-10
dc.identifier.issn0045-6535
dc.identifier.issn1879-1298
dc.identifier.otherC
dc.identifier.urihttp://hdl.handle.net/10026.1/12203
dc.descriptionpublisher: Elsevier articletitle: Application of field-portable-XRF for the determination of trace elements in deciduous leaves from a mine-impacted region journaltitle: Chemosphere articlelink: https://doi.org/10.1016/j.chemosphere.2018.06.110 content_type: article copyright: © 2018 Elsevier Ltd. All rights reserved.
dc.description.abstract

Deciduous leaves (n = 87) from beech (Fagus sylvatica), birch (Betula spp.) and oak (Quercus spp.) trees have been collected from three metal mine-impacted sites in southwest England and tested for concentrations of trace elements (As, Cu, Pb and Zn) using a field-portable-x-ray fluorescence (FP-XRF) spectrometer configured in a low density mode and housed in a stand. When intact leaves were analysed directly, mean detection limits ranged from about 10 (As) to 70 μg g-1 (Cu) on a fresh weight basis; after freeze-drying, respective limits increased to about 20 and 120 μg g-1 on a dry weight basis. Within these constraints, As and Zn were detected in samples from all genera, with concentration differences between fresh and dry states attributed to the mass of water present and its propensity to attenuate x-rays. A comparison with As and Zn concentrations in local soils and determined by XRF in a higher density mode revealed different accumulation and exclusion characteristics among the three genera of tree. In contrast, and despite soil concentrations that were similar to those of Zn, Cu was detected in only two dried leaves and Pb evaded detection throughout. Pooled results from the study showed good agreement with independent results derived from ICP following acid digestion, with a slope defining the overall relationship that was close to unit value. Accordingly, the XRF approach is able to provide a rapid assessment of the levels of certain trace elements in leaves from contaminated sites, with the configuration deployed on site having potential to deliver immediate results.

dc.format.extent928-934
dc.format.mediumPrint-Electronic
dc.languageen
dc.language.isoen
dc.publisherElsevier
dc.subjectDeciduous leaves
dc.subjectField-portable-XRF
dc.subjectArsenic
dc.subjectZinc
dc.subjectSoils
dc.subjectBiomonitoring
dc.titleApplication of field-portable-XRF for the determination of trace elements in deciduous leaves from a mine-impacted region
dc.typejournal-article
dc.typeJournal Article
plymouth.author-urlhttps://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000442714400100&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008
plymouth.volume209
plymouth.publication-statusPublished
plymouth.journalChemosphere
dc.identifier.doi10.1016/j.chemosphere.2018.06.110
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Geography, Earth and Environmental Sciences
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA06 Agriculture, Veterinary and Food Science
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA07 Earth Systems and Environmental Sciences
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/BEACh
plymouth.organisational-group/Plymouth/Research Groups/Marine Institute
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.publisher.placeEngland
dcterms.dateAccepted2018-06-15
dc.rights.embargodate2019-6-21
dc.identifier.eissn1879-1298
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1016/j.chemosphere.2018.06.110
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2018-10
rioxxterms.typeJournal Article/Review


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