Search Results - "Venchiarutti, Celia"
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From the subtropics to the central equatorial Pacific Ocean: Neodymium isotopic composition and rare earth element concentration variations
Published in Journal of geophysical research. Oceans (01-02-2013)“…Neodymium isotopic compositions (εNd) and rare earth element (REE) concentrations were measured for filtered surface to deep waters (112 samples) in the…”
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Certification of Uranium Isotope Amount Ratios in a Suite of Uranium Ore Concentrate Certified Reference Materials
Published in Geostandards and geoanalytical research (01-03-2022)“…In this study, data from thirteen laboratories from around the world are presented for a successful certification of uranium isotope ratios in uranium ore…”
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Meridional circulation across the Antarctic Circumpolar Current serves as a double 231Pa and 230Th trap
Published in Earth and planetary science letters (01-12-2016)“…•Weddell Sea Bottom Water is depleted in 230Th and 231Pa but does not leave the Weddell Gyre.•Weddell Sea Deep Water, major source of AABW, is known to be…”
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Scavenging of 231Pa and thorium isotopes based on dissolved and size-fractionated particulate distributions at Drake Passage (ANTXXIV-3)
Published in Deep-sea research. Part II, Topical studies in oceanography (15-12-2011)“…Drake Passage is a major route for many water masses in the strong Antarctic Circumpolar Current. During the ANTXXIV-3 expedition (in 2008), the vertical…”
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Single Column Sequential Extraction of Ra, Nd, Th, Pa and U from a Natural Sample
Published in Geostandards and geoanalytical research (01-12-2011)“…A new procedure allowing the sequential extraction of Ra, Nd, Th, Pa and U from the same initial natural sample (sea or river waters, particles, sediments,…”
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Preparation and characterisation of uranium and plutonium quality control samples for isotope dilution mass spectrometry measurements and uncertainty estimation
Published in Journal of radioanalytical and nuclear chemistry (01-03-2021)“…This paper presents the preparation, characterisation and validation of two quality control (QC) samples for the measurement of plutonium and uranium contents…”
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Stability monitoring of selected spike isotopic reference materials for isotope dilution mass spectrometry
Published in Journal of radioanalytical and nuclear chemistry (01-05-2022)“…The provision of high quality spike isotopic reference materials is one of the objectives of the Joint Research Centre of the European Commission. They play an…”
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IRMM-1000a and IRMM-1000b uranium reference materials certified for the production date. Part I: methodology, preparation and target characteristics
Published in Journal of radioanalytical and nuclear chemistry (01-02-2016)“…The paper describes the preparation and production of the reference materials, IRMM-1000a and IRMM-1000b, certified for the production date based on the 230…”
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The GEOTRACES Intermediate Data Product 2017
Published in Chemical geology (20-08-2018)“…The GEOTRACES Intermediate Data Product 2017 (IDP2017) is the second publicly available data product of the international GEOTRACES programme, and contains…”
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The GEOTRACES Intermediate Data Product 2014
Published in Marine chemistry (01-12-2015)“…The GEOTRACES Intermediate Data Product 2014 (IDP2014) is the first publicly available data product of the international GEOTRACES programme, and contains data…”
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Scavenging of 231Pa and thorium isotopes based on dissolved and size-fractionated particulate distributions at Drake Passage (ANTXXIV-3): Physics, Carbon Dioxide, Trace Elements and Isotopes in the Southern Ocean: The Polarstern Expeditions ANT XXIV-3 (2008) and ANT XXIII/3 (2006)
Published in Deep-sea research. Part II, Topical studies in oceanography (2011)Get full text
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Meteorology and oceanography of the Atlantic sector of the Southern Ocean—a review of German achievements from the last decade
Published in Ocean dynamics (01-11-2016)“…In the early 1980s, Germany started a new era of modern Antarctic research. The Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research (AWI)…”
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Influence of intense scavenging on Pa-Th fractionation in the wake of Kerguelen Island (Southern Ocean)
Published in Biogeosciences (01-01-2011)“…Dissolved and particulate excess 230Th and 231Pa concentrations (noted 230Thxs and 231Paxs respectively) and 231Paxs/230Thxs activity ratios were investigated…”
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Certification of Uranium Isotope Amount Ratios in a Suite of Uranium Ore Concentrate Certified Reference Materials
Published in Geostandards and geoanalytical research (07-11-2021)“…Here, in this study, data from thirteen laboratories from around the world are presented for a successful certification of uranium isotope ratios in uranium…”
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