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Showing 1 to 20 of 24 for “"potentially toxic elements"”.

  1. Optimising characterization and remediation techniques for potentially toxic elements in polluted soils

    Boente López, Carlos2019

    … elementos traza potencialmente tóxicos (Ing.: Potentially Toxic Elements, PTEs). Estos, por su toxicidad y peligrosidad para el medioambiente y la salud humana, constituyen el núcleo central de estudio. Mediante los procesos de caracterización, se busca identificar los contaminantes presentes …

    oviedo Repository record

  2. A study of potentially toxic elements in the Forth and Clyde Canal, Scotland, UK

    Cortis, RobertUniversity of Strathclyde2013

    … and Clyde Canal, Scotland, UK, and analysed for potentially toxic elements (PTE). Pseudototal concentrations of As (5.54 - 219 mg/kg), Cd (< 0.000557 - 11.0 mg/kg), Cr (44.8 - 883 mg/kg), Cu (39.3 - 618 mg/kg), Fe (35.8 - 72.1 g/kg), Mn (720 - 4460 mg/kg), Ni (42.0 - 154 mg/kg), Pb (93.9 - 2740 …

    strathclyde Repository record

  3. Microwave-assisted sequential extraction of polyclic aromatic hydrocarbons and potentially toxic elements from urban environmental solids

    Gibson, DavidUniversity of Strathclyde2010

    … of polycyclic aromatic hydrocarbons (PAHs) and potentially toxic elements (PTEs) from urban substrates using microwave-assisted micellar extraction, the BCR sequential extraction procedure (BCR-SEP) and microwave-assisted aqua regia digestion. High performance liquid chromatography - ultraviolet …

    strathclyde Repository record

  4. Badgers as a proxy for environmental exposure to potentially toxic elements and ecosystem level interactions in soils

    Mullineaux, ShayQueen's University Belfast2022

    … group of pollutants of note for this region are potentially toxic elements (PTEs) otherwise known as heavy metals or trace metals. These PTEs occur at both naturally and anthropogenically elevated levels in Northern Ireland and have become a subject of interest for scientific investigation. Most …

    qu-belfast Repository record

  5. An investigation of the distribution, fractionation and bioaccessibility of potentially toxic elements in urban soils of Lagos, Nigeria

    Famuyiwa, Abimbola OladimejiUniversity of Strathclyde2016

    … development and industrialisation on levels of potentially toxic elements (PTE) in the city's soils is of concern, and requires investigation, because of possible effects on human health.Soil samples were collected from different land-use types and socioeconomic areas in Lagos state in February …

    strathclyde Repository record

  6. Spatial and statistical analysis approaches to investigate the oral bioaccessibility of potentially toxic elements in Northern Irish soils

    Palmer,, Sherry BethQueen's University Belfast2015

    … eliminating the need for in vivo toxicology studies to estimate health risks from oral soil contaminant exposure.<br/><br/>Using soil samples from the Northern Ireland Tellus Survey soil archive, the oral bioaccessibility of cadmium, chromium, arsenic, nickel, lead and vanadium was …

    qu-belfast Repository record

  7. Investigation of how oral bioaccessibility of potentially toxic elements in urban soils is affected by contaminant source and sampling techniques

    Cocerva, TatianaQueen's University Belfast2021

    Potentially Toxic Elements (PTEs) in urban soils often originate from both geogenic and anthropogenic sources. Understanding their mobility, distribution, and geochemical interactions provides the necessary evidence to effectively assess the risks posed to people from exposure to soil …

    qu-belfast Repository record

  8. The investigation of potentially toxic elements (PTE) and particulates absorbed on particle filters exposed to vehicle emissions at road level

    Spellissy, FionaUniversity College Cork2016

    … of this study is to determine the levels of potentially toxic elements (PTE) collected from cabin particle filters in and around Cork city. Cabin particle filters are used in motor vehicles to extract toxins from air coming through the ventilation system. A systematic study of pollutants …

    cork Repository record

  9. Extraction methods for assessing the bioaccessibility of potentially toxic elements in urban airborne particulate matter by inductively coupled plasma mass spectrometry

    Alpofead, Jawad Ali HusseinUniversity of Strathclyde2016

    … matter (PM), containing bioaccessible potentially toxic elements (PTE) has attracted attention due to potential human health risk. This study was to develop and assess the suitability of simplified bioaccessibility extraction test (SBET) and the stomach phase of unified bioaccessibility …

    strathclyde Repository record

  10. Glaciers as a secondary source of anthropogenic contaminants: An emerging socio-environmental challenge

    Beard, Dylan2025

    … including fallout radionuclides (FRNs) and potentially toxic elements (PTEs), which can pose risks to downstream communities when released through meltwater. This thesis examines the accumulation and potential release of contaminants from glacial environments, with a focus on cryoconite, a …

    plymouth Repository record

  11. Biochar: for better or for worse?

    Freddo, AlessiaUniversity of East Anglia2013

    … biochar has to increase concentrations of potentially toxic elements (PTE) and polycyclic aromatic hydrocarbons (PAHs) in soil was investigated and contextualised. Results indicated limited environmental impacts in this regard. The capacity of biochar to interact with organic compounds was …

    east-anglia Repository record

  12. Environmental geochemistry of soils and stream sediments from Anka and Birnin-Gwari artisanal gold mining areas, NW Nigeria

    Waziri, Nuhu MusaUniversity of East Anglia2012

    … differences in the ore deposits. Most trace elements partition strongly into the carbonate and Fe/Mn oxides fractions in samples from the Anka area, indicating possible risk of mobilization under reducing, slightly acidic conditions; the exchangeable phase being the least significant in both …

    east-anglia Repository record

  13. Development of a health risk management framework for heavy metals and cyanide in Kwekwe City, Zimbabwe

    Ngwenya, Sheunesu2024

    … identified and described key characteristics and elements of risk management frameworks guided by the Organisation for Economic Co o peration and Development principles. A cross-sectional exploratory qualitative study was conducted on purposively selected key stakeholders and industrial settlement …

    venda Repository record

  14. BIOCHAR AMENDMENT TO IMPROVE SOIL PRODUCTIVITY WITH PARTICULAR EMPHASIS ON THE INFLUENCE OF SOIL TYPE

    Peake, LewisUniversity of East Anglia2015

    … of the malting barley industry in both cases. Potentially toxic elements (PTEs) within the barley grain (Zn, Cu, As, Ni, Cd and Cr) were not raised to levels critical to food safety. The overarching conclusion is that soil type, as defined by its physical, chemical and biological …

    east-anglia Repository record

  15. Association Mapping for Elemental Concentration Resulting from Vegetative Stage Soil Waterlogging Stress in Wheat (Triticum aestivum L.)

    Arguello-Blanco, Maria Nelly2017

    … of tolerance mechanisms to WL, particularly of potentially toxic elements such as aluminum, iron and sodium. The objectives of this study were to use association mapping (AM) to identify SNP associated with the EC in the vegetative tissue of a set of 240 diverse soft winter wheat genotypes (AM …

    arkansas Repository record

  16. Metal and Metalloid Contaminants in Atmospheric Aerosols from Mining Operations

    Csavina, Janae LynnThe University of Arizona.2012

    … contaminants such as As, Pb, Cd and other potentially toxic elements. Dust particles emitted from mining operations can accumulate in surrounding soils, natural waters and vegetation at relatively high concentrations through wind and water transport. Human exposure to the dust can occur …

    arizona-thes Repository record

  17. Adaptability, Biomass Yield, and Phytoremediation of Arundo donax L. on marginal lands: salt, dry and lead-contaminated soils

    SIDELLA, SARAHUniversità degli studi di Catania2013

    … surface, reducing the leachates, the amount of potentially toxic elements released into watercourses and groundwater and the development of a vegetative landscape or ecosystem in harmony with the surrounding environment.

    catania Repository record

  18. Weathering of sulfide ores in model soils, potentially toxic element release and bioavailability

    Robson, Thomas2013

    … vast quantities of fine-grained wastes hosting potentially toxic elements (PTEs). There are concerns that, if improperly disposed of and managed, waste mineral particles can behave as vectors that disperse PTEs via aeolian and fluvial transport, subsequently contaminating soils and crops used to …

    plymouth Repository record

  19. The use of rockdust and composted materials as soil fertility amendments

    Campbell, Nicola S.University of Glasgow2009

    … required to release small quantities of trace elements from rockdust samples. Sodium, calcium and to a lesser degree potassium, magnesium, iron and phosphate were supplied in greatest quantities from most rockdust samples with basic rocktypes releasing highest quantities of nutrients. As a …

    glasgow Repository record

  20. Caratterizzazione chimica e microstrutturale di minerali fibrosi ad alto impatto per l'inquinamento ambientale

    RICCHIUTI, CLAUDIAUniversità degli studi di Catania2022

    Al giorno d’oggi, è ampiamente dimostrato dalla comunità scientifica che l’esposizione ambientale all’asbesto provoca l’insorgenza di problemi di salute. Con il termine asbesto si intende una categoria di sei minerali silicatici (crisotilo, tremolite, actinolite, amosite, crocidolite, …

    catania Repository record

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