dc.contributor.author | Charalambous, Chrystalla | en |
dc.contributor.author | Aletrari, Maria | en |
dc.contributor.author | Piera, Panagiota | en |
dc.contributor.author | Nicolaidou-Kanari, Popi | en |
dc.contributor.author | Efstathiou, Maria | en |
dc.contributor.author | Pashalidis, Ioannis | en |
dc.creator | Charalambous, Chrystalla | en |
dc.creator | Aletrari, Maria | en |
dc.creator | Piera, Panagiota | en |
dc.creator | Nicolaidou-Kanari, Popi | en |
dc.creator | Efstathiou, Maria | en |
dc.creator | Pashalidis, Ioannis | en |
dc.date.accessioned | 2019-11-21T06:17:17Z | |
dc.date.available | 2019-11-21T06:17:17Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 0265-931X | |
dc.identifier.uri | http://gnosis.library.ucy.ac.cy/handle/7/55315 | |
dc.description.abstract | The uranium concentration and the isotopic ratio 238U/234U have been determined in Cypriot groundwater samples by ICP-MS after ultrafiltration and acidification of the samples and α-spectroscopy after pre-concentration and separation of uranium by cation-exchange (Chelex 100 resin) and electro-deposition on stainless steel discs. The uranium concentration in the groundwater samples varies strongly between 0.1 and 40 μg l-1. The highest uranium concentrations are found in groundwater samples associated with sedimentary rock formations and the obtained isotopic ratio 238U/234U varies between 0.95 and 1.2 indicating basically the presence of natural uranium in the studied samples. The pH of the groundwater samples is neutral to weak alkaline (7 < pH < 8) and this is attributed to the carbonaceous content of the sedimentary rocks and the ophiolitic origin of the igneous rocks, which form the background geology in Cyprus. Generally, in groundwaters uranium concentration in solution increases with decreasing pH (7 < pH < 8) and this is attributed to the fact that at lower pH dissolution of soil minerals occurs, and uranium, which is adsorbed or forms solid solution with the geological matrix enters the aqueous phase. This is also corroborated by the strong correlation between the uranium concentration and the electrical conductivity (e.g. dissolved solids) measured in the groundwaters under investigation. © 2012 Elsevier Ltd. | en |
dc.source | Journal of environmental radioactivity | en |
dc.source.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84869878644&doi=10.1016%2fj.jenvrad.2012.10.008&partnerID=40&md5=421a8bfe4cbbf92d31f1d3ce07832185 | |
dc.subject | α-Spectroscopy | el |
dc.subject | Cyprus | en |
dc.subject | article | en |
dc.subject | radioactivity | en |
dc.subject | Electric conductivity | en |
dc.subject | spectroscopy | en |
dc.subject | Electrical conductivity | en |
dc.subject | Ultrafiltration | en |
dc.subject | Hydrogen-Ion Concentration | en |
dc.subject | Spectrum Analysis | en |
dc.subject | mass spectrometry | en |
dc.subject | Uranium | en |
dc.subject | sea water | en |
dc.subject | Alkalinity | en |
dc.subject | Cation exchanges | en |
dc.subject | Groundwater | en |
dc.subject | Uranium concentration | en |
dc.subject | water analysis | en |
dc.subject | water quality | en |
dc.subject | acidification | en |
dc.subject | adsorption | en |
dc.subject | alpha spectroscopy | en |
dc.subject | Aqueous phase | en |
dc.subject | Chelex 100 resins | en |
dc.subject | concentration (composition) | en |
dc.subject | dissolution | en |
dc.subject | Dissolved solids | en |
dc.subject | EC | en |
dc.subject | electrical conductivity parameters | en |
dc.subject | ground water | en |
dc.subject | Groundwater samples | en |
dc.subject | ICP-MS | en |
dc.subject | igneous rock | en |
dc.subject | Inductively coupled plasma mass spectrometry | en |
dc.subject | inductively coupled plasma method | en |
dc.subject | isotopic ratio | en |
dc.subject | Isotopic ratios | en |
dc.subject | Mass spectrometers | en |
dc.subject | Natural uranium | en |
dc.subject | PH | en |
dc.subject | Pre-concentration | en |
dc.subject | Radiation Monitoring | en |
dc.subject | sediment | en |
dc.subject | Sedimentary rocks | en |
dc.subject | separation | en |
dc.subject | Soil minerals | en |
dc.subject | Stainless steel discs | en |
dc.subject | Strong correlation | en |
dc.subject | uranium isotope | en |
dc.subject | Water Pollutants, Radioactive | en |
dc.title | Uranium levels in Cypriot groundwater samples determined by ICP-MS and α-spectroscopy | en |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | 10.1016/j.jenvrad.2012.10.008 | |
dc.description.volume | 116 | |
dc.description.startingpage | 187 | |
dc.description.endingpage | 192 | |
dc.author.faculty | 002 Σχολή Θετικών και Εφαρμοσμένων Επιστημών / Faculty of Pure and Applied Sciences | |
dc.author.department | Τμήμα Χημείας / Department of Chemistry | |
dc.type.uhtype | Article | en |
dc.description.notes | <p>Cited By :7</p> | en |
dc.source.abbreviation | J.Environ.Radioact. | en |
dc.contributor.orcid | Pashalidis, Ioannis [0000-0002-7587-6395] | |
dc.gnosis.orcid | 0000-0002-7587-6395 | |