Advances in the graphitization protocol at the Radiocarbon Laboratory of the Universidade Federal Fluminense (LAC-UFF) in Brazil
In this paper, we summarize the sample preparation methods currently used at the
Radiocarbon Laboratory of the Universidade Federal Fluminense (LAC-UFF) in Brazil. We …
Radiocarbon Laboratory of the Universidade Federal Fluminense (LAC-UFF) in Brazil. We …
Aragonite fraction dating of vermetids in the context of paleo sea-level curves reconstruction
Identifying and tackling recrystallization is a critical factor in the reliable radiocarbon (14C)
dating of carbonates, since exogenous carbon can be incorporated and thus mask the real …
dating of carbonates, since exogenous carbon can be incorporated and thus mask the real …
δ13C correction to AMS data: Values derived from AMS vs IRMS values
GVR Prasad, R Culp, A Cherkinsky - … in Physics Research Section B: Beam …, 2019 - Elsevier
Abstract 14 C data from AMS measurements need to be corrected for isotopic fractionation
using the δ 13 C values. Whether to use the δ 13 C values obtained from the AMS stable …
using the δ 13 C values. Whether to use the δ 13 C values obtained from the AMS stable …
Exploring the 14C bomb peak with tree rings of tropical species from the Amazon forest
R Linares, HC Santos, AFN Brandes, CF Barros… - …, 2017 - cambridge.org
In this work we explore the radiocarbon (14C) signal as an independent tool to assess the
year of formation of individual tree rings of tropical species in northern Brazil. Three different …
year of formation of individual tree rings of tropical species in northern Brazil. Three different …
Optimization of the amount of zinc in the graphitization reaction for radiocarbon AMS measurements at LAC-UFF
The Radiocarbon Laboratory of the Universidade Federal Fluminense, in Brazil, has been
successfully applying the zinc reduction method for graphitization of carbon samples since …
successfully applying the zinc reduction method for graphitization of carbon samples since …
LAC-UFF status report: current protocols and recent developments
The Radiocarbon Laboratory of the Fluminense Federal University was installed in 2009,
and its NEC Single Stage Accelerator Mass Spectrometry system has been operational …
and its NEC Single Stage Accelerator Mass Spectrometry system has been operational …
Establishing water sample protocols for radiocarbon analysis at LAC-UFF, Brazil
D Bragança, F Oliveira, K Macario, V Nunes, M Muniz… - …, 2021 - cambridge.org
Since the establishment of the first radiocarbon accelerator mass spectrometry facility in
Latin America in 2009, the Radiocarbon Laboratory team of Universidade Federal …
Latin America in 2009, the Radiocarbon Laboratory team of Universidade Federal …
Evaluation of sample preparation protocols for the 14C dating of Tupiguarani pottery in southeastern Brazil
FM Oliveira, KD Macario, BB Pereira, A Buarque… - …, 2017 - cambridge.org
This study evaluates the radiocarbon dating of ceramic samples from Tupiguarani sites in
Brazil, a settlement type dating up to 3000 cal BP. In this work, residues from ceramic …
Brazil, a settlement type dating up to 3000 cal BP. In this work, residues from ceramic …
Preliminary radiocarbon dating results of bone samples at the LAC-UFF, Brazil
Collagen extraction depends on the state of bone preservation, and the acidity of Brazilian
soils often prevents the use of this material for radiocarbon dating. When available, however …
soils often prevents the use of this material for radiocarbon dating. When available, however …
Performance of Home-Made Single-Stage 14C AMS System at CIAE
M He, Y Pang, Y Bao, K Li, S Jiang, Q You, S Su… - …, 2019 - cambridge.org
The second home-made single stage accelerator mass spectrometer (SSAMS) system
dedicated to radiocarbon (14C) measurements was built after the first SSAMS system was …
dedicated to radiocarbon (14C) measurements was built after the first SSAMS system was …