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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/6363
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dc.contributor.authorallGrassa, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallCapasso, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallOliveri, Y.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallSollami, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallCarreira, P.; Instituto Tecnológico e Nuclear, Sacavém, Portugalen
dc.contributor.authorallCarvalho, M. R.; Faculdade de Ciências de Lisboa, Departamento de Geologia, CeGUL, Lisboa, Portugalen
dc.contributor.authorallMarques, J. M.; Instituto Superior Técnico, Lisboa, Portugalen
dc.contributor.authorallNunes, J. C.; Department of Geosciences, University of the Azores, Sao Miguel, Azores, Portugalen
dc.date.accessioned2010-12-15T11:39:11Zen
dc.date.available2010-12-15T11:39:11Zen
dc.date.issued2010-06en
dc.identifier.urihttp://hdl.handle.net/2122/6363en
dc.description.abstractA continuous-flow GC/IRMS technique has been developed to analyse δ15N values for molecular nitrogen in gas samples. This method provides reliable results with accuracy better than 0.15‰and reproducibility (1σ) within ±0.1‰ for volumes of N2 between 1.35 (about 56 nmol) and 48.9μL (about 2μmol). The method was tested on magmatic and hydrothermal gases as well as on natural gas samples collected from various sites. Since the analysis of nitrogen isotope composition may be prone to atmospheric contamination mainly in samples with low N2 concentration, we set the instrument to determine also N2 and 36Ar contents in a single run. In fact, based on the simultaneously determined N2/36Ar ratios and assuming that 36Ar content in crustal and mantle-derived fluids is negligible with respect to 36Ar concentration in the atmosphere, for each sample, the degree of atmospheric contamination can be accurately evaluated. Therefore, the measured δ15N values can be properly corrected for air contamination.en
dc.language.isoEnglishen
dc.publisher.nameTaylor & Francisen
dc.relation.ispartofIsotopes in Environmental and Health Studiesen
dc.relation.ispartofseries2/46 (2010)en
dc.relation.isversionofhttp://hdl.handle.net/2122/5664en
dc.subjectArgon-36en
dc.subjectisotope measurement and techniqueen
dc.subjectnitrogen-15en
dc.subjectvolcanic and hydrothermal gasen
dc.titleNitrogen isotopes determination in natural gas: analytical method and first results on magmatic, hydrothermal and soil gas samplesen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber141–155en
dc.subject.INGV04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistryen
dc.subject.INGV04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processesen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.01. Gasesen
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniquesen
dc.identifier.doi10.1080/10256016.2010.491914en
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dc.description.obiettivoSpecifico2.4. TTC - Laboratori di geochimica dei fluidien
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorGrassa, F.en
dc.contributor.authorCapasso, G.en
dc.contributor.authorOliveri, Y.en
dc.contributor.authorSollami, A.en
dc.contributor.authorCarreira, P.en
dc.contributor.authorCarvalho, M. R.en
dc.contributor.authorMarques, J. M.en
dc.contributor.authorNunes, J. C.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentInstituto Tecnológico e Nuclear, Sacavém, Portugalen
dc.contributor.departmentFaculdade de Ciências de Lisboa, Departamento de Geologia, CeGUL, Lisboa, Portugalen
dc.contributor.departmentInstituto Superior Técnico, Lisboa, Portugalen
dc.contributor.departmentDepartment of Geosciences, University of the Azores, Sao Miguel, Azores, Portugalen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Palermo, Palermo, Italia-
crisitem.author.deptInstituto Tecnológico e Nuclear, Estrada Nacional n° 10, 2686-953 Sacavém, Portugal-
crisitem.author.deptUniversidade de Lisboa, Faculdade de Ciências, Departamento Geologia, Inst. D. Luís, Lisboa, Portugal-
crisitem.author.deptInstituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal-
crisitem.author.orcid0000-0001-5043-792X-
crisitem.author.orcid0000-0002-0890-7948-
crisitem.author.orcid0000-0002-5275-1311-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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