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ESTABLISHING WATER SAMPLE PROTOCOLS FOR RADIOCARBON ANALYSIS AT LAC-UFF, BRAZIL

Published online by Cambridge University Press:  09 March 2021

Daniela Bragança ,
Fabiana Oliveira Open the ORCID record for Fabiana Oliveira [Opens in a new window] ,
Kita Macario Open the ORCID record for Kita Macario [Opens in a new window] ,
Vinicius Nunes ,
Marcelo Muniz ,
Fernando Lamego Open the ORCID record for Fernando Lamego [Opens in a new window] ,
Gwenaël Abril ,
Aguinaldo Nepomuceno ,
Corina Solís  and
María Rodríguez-Ceja
Daniela Bragança
Affiliation:
Laboratório de Radiocarbono, Instituto de Física, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza, s/n, Niterói, 24210-346, Rio de Janeiro, Brazil
Fabiana Oliveira*
Affiliation:
Laboratório de Radiocarbono, Instituto de Física, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza, s/n, Niterói, 24210-346, Rio de Janeiro, Brazil Departamento de Físico-Química, Universidade Federal Fluminense, Outeiro São João Batista, s/n, Niterói, 24001-970, Rio de Janeiro, Brazil
Kita Macario
Affiliation:
Laboratório de Radiocarbono, Instituto de Física, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza, s/n, Niterói, 24210-346, Rio de Janeiro, Brazil
Vinicius Nunes
Affiliation:
Laboratório de Radiocarbono, Instituto de Física, Universidade Federal Fluminense, Av. Gal. Milton Tavares de Souza, s/n, Niterói, 24210-346, Rio de Janeiro, Brazil
Marcelo Muniz
Affiliation:
Programa de Biologia Marinha e Ambientes Costeiros, Universidade Federal Fluminense. Outeiro de São João Batista, s/n. Centro, Niterói, 24020-971, Rio de Janeiro, Brazil
Fernando Lamego
Affiliation:
Programa de Biologia Marinha e Ambientes Costeiros, Universidade Federal Fluminense. Outeiro de São João Batista, s/n. Centro, Niterói, 24020-971, Rio de Janeiro, Brazil
Gwenaël Abril
Affiliation:
Programa de Biologia Marinha e Ambientes Costeiros, Universidade Federal Fluminense. Outeiro de São João Batista, s/n. Centro, Niterói, 24020-971, Rio de Janeiro, Brazil Laboratoire de Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Muséum National d’Histoire Naturelle, FRE 2030, CNRS, MNHN, IRD, SU, UCN, UA, Paris, France
Aguinaldo Nepomuceno
Affiliation:
Programa de Biologia Marinha e Ambientes Costeiros, Universidade Federal Fluminense. Outeiro de São João Batista, s/n. Centro, Niterói, 24020-971, Rio de Janeiro, Brazil
Corina Solís
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México. Cd. de México. C.P. 04510, Mexico
María Rodríguez-Ceja
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México. Cd. de México. C.P. 04510, Mexico
*
*Corresponding author. Email: fabianaoliveira@id.uff.br
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Abstract

Since the establishment of the first radiocarbon accelerator mass spectrometry facility in Latin America in 2009, the Radiocarbon Laboratory team of Universidade Federal Fluminense (LAC-UFF) has worked to improve sample preparation protocols and increase the range of environmental matrices to be analyzed. We now present the preliminary results for DIC sample preparation protocols. The first validation tests include background evaluation with pMC value (0.35 ± 0.04) using bicarbonate dissolved in water. We also analyzed surface seawater resulting in pMC value (101.38 ± 0.38) and a groundwater previously dated from LEMA AMS-Laboratory with pMC value (12.30 ± 0.15).

Keywords

protocolsradiocarbonwater samples
Type
Conference Paper
Information
Radiocarbon , Volume 63 , Issue 4: Featuring: CLARa Proceedings of the 1st Latin American Radiocarbon Conference , August 2021 , pp. 1225 - 1232
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Copyright
© The Author(s), 2021. Published by Cambridge University Press for the Arizona Board of Regents on behalf of the University of Arizona

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Footnotes

Selected Papers from the 1st Latin American Radiocarbon Conference, Rio de Janeiro, 29 Jul.–2 Aug. 2019

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