A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements
sediments or to assess radiocarbon reservoir ages. The Centro Nacional de Aceleradores (CNA) is equipped for the AMS radiocarbon analysis with a MICADAS (MIni CArbon DAting System), and a sample processing line including vial flushing, carbonate dissolution and transfer of the evolved CO2 from the s...
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DEPARTMENT OF APPLIED PHYSICS II, UNIVERSITY OF SEVILLE
2016
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ftunibolognairis:oai:cris.unibo.it:11585/644473 2024-04-14T08:18:31+00:00 A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements Roberta Guerra Francisco-Javier Santos Arévalo Rafael García-Tenorio Rafael Garcia-Tenorio, Elis Holm, Guillermo Manjón Roberta Guerra Francisco-Javier Santos Arévalo Rafael García-Tenorio 2016 ELETTRONICO http://hdl.handle.net/11585/644473 eng eng DEPARTMENT OF APPLIED PHYSICS II, UNIVERSITY OF SEVILLE country:ESP place:Seville info:eu-repo/semantics/altIdentifier/isbn/978-84-617-7629-0 ispartofbook:II INTERNATIONAL CONFERENCE ON RADIOECOLOGICAL CONCENTRATION PROCESSES (50 years later) BOOK OF PROCEEDINGS II INTERNATIONAL CONFERENCE ON RADIOECOLOGICAL CONCENTRATION PROCESSES (50 years later) firstpage:261 lastpage:267 numberofpages:7 alleditors:Rafael Garcia-Tenorio, Elis Holm, Guillermo Manjón http://hdl.handle.net/11585/644473 Radiocarbon Foraminifera Carbonates AMS info:eu-repo/semantics/conferenceObject 2016 ftunibolognairis 2024-03-21T17:52:07Z sediments or to assess radiocarbon reservoir ages. The Centro Nacional de Aceleradores (CNA) is equipped for the AMS radiocarbon analysis with a MICADAS (MIni CArbon DAting System), and a sample processing line including vial flushing, carbonate dissolution and transfer of the evolved CO2 from the septum sealed tubes to the automated graphitization equipment (AGE). In this work, we have tested a fully-automated setup from sampling the released CO2 from small carbonate samples (i.e. foraminifera shells) for radiocarbon analysis, where the formed CO2 is later flushed by helium flow by means of a double-wall needle mounted from the tubes to the zeolite trap of the existing AGE-2. This carbonate dissociation line essentially replaces the elemental analyser normally used for the combustion of organic samples to further reduce the effort involved for sample preparation. The automated method yields in low sample blanks of about 50,000 years. Results of the processed reference materials (IAEA-C1 and IAEA-C2) are in agreement with their consensus values. Using this automated dissociation line we were able to date samples of monospecific foraminifera shells (~10 mg) of ~ 1000 radiocarbon years. Conference Object Planktonic foraminifera IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) |
institution |
Open Polar |
collection |
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System) |
op_collection_id |
ftunibolognairis |
language |
English |
topic |
Radiocarbon Foraminifera Carbonates AMS |
spellingShingle |
Radiocarbon Foraminifera Carbonates AMS Roberta Guerra Francisco-Javier Santos Arévalo Rafael García-Tenorio A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements |
topic_facet |
Radiocarbon Foraminifera Carbonates AMS |
description |
sediments or to assess radiocarbon reservoir ages. The Centro Nacional de Aceleradores (CNA) is equipped for the AMS radiocarbon analysis with a MICADAS (MIni CArbon DAting System), and a sample processing line including vial flushing, carbonate dissolution and transfer of the evolved CO2 from the septum sealed tubes to the automated graphitization equipment (AGE). In this work, we have tested a fully-automated setup from sampling the released CO2 from small carbonate samples (i.e. foraminifera shells) for radiocarbon analysis, where the formed CO2 is later flushed by helium flow by means of a double-wall needle mounted from the tubes to the zeolite trap of the existing AGE-2. This carbonate dissociation line essentially replaces the elemental analyser normally used for the combustion of organic samples to further reduce the effort involved for sample preparation. The automated method yields in low sample blanks of about 50,000 years. Results of the processed reference materials (IAEA-C1 and IAEA-C2) are in agreement with their consensus values. Using this automated dissociation line we were able to date samples of monospecific foraminifera shells (~10 mg) of ~ 1000 radiocarbon years. |
author2 |
Rafael Garcia-Tenorio, Elis Holm, Guillermo Manjón Roberta Guerra Francisco-Javier Santos Arévalo Rafael García-Tenorio |
format |
Conference Object |
author |
Roberta Guerra Francisco-Javier Santos Arévalo Rafael García-Tenorio |
author_facet |
Roberta Guerra Francisco-Javier Santos Arévalo Rafael García-Tenorio |
author_sort |
Roberta Guerra |
title |
A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements |
title_short |
A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements |
title_full |
A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements |
title_fullStr |
A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements |
title_full_unstemmed |
A New Approach to Process Planktonic Foraminifera for Radiocarbon Measurements |
title_sort |
new approach to process planktonic foraminifera for radiocarbon measurements |
publisher |
DEPARTMENT OF APPLIED PHYSICS II, UNIVERSITY OF SEVILLE |
publishDate |
2016 |
url |
http://hdl.handle.net/11585/644473 |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_relation |
info:eu-repo/semantics/altIdentifier/isbn/978-84-617-7629-0 ispartofbook:II INTERNATIONAL CONFERENCE ON RADIOECOLOGICAL CONCENTRATION PROCESSES (50 years later) BOOK OF PROCEEDINGS II INTERNATIONAL CONFERENCE ON RADIOECOLOGICAL CONCENTRATION PROCESSES (50 years later) firstpage:261 lastpage:267 numberofpages:7 alleditors:Rafael Garcia-Tenorio, Elis Holm, Guillermo Manjón http://hdl.handle.net/11585/644473 |
_version_ |
1796318020194271232 |