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Status report on the Zagreb radiocarbon laboratory - AMS ande LSC results of VIRI intercomparison samples (CROSBI ID 177257)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Sironić, Andreja ; Krajcar Bronić, Ines ; Horvatinčić, Nada ; Barešić, Jadranka ; Obelić, Bogomil ; Felja, Igor Status report on the Zagreb radiocarbon laboratory - AMS ande LSC results of VIRI intercomparison samples // Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 294 (2013), 185-188. doi: 10.1016/j.nimb.2012.01.048

Podaci o odgovornosti

Sironić, Andreja ; Krajcar Bronić, Ines ; Horvatinčić, Nada ; Barešić, Jadranka ; Obelić, Bogomil ; Felja, Igor

engleski

Status report on the Zagreb radiocarbon laboratory - AMS ande LSC results of VIRI intercomparison samples

A new line for preparation of the graphite samples for 14C dating by Accelerator Mass Spectrometry (AMS) in the Zagreb Radiocarbon Laboratory has been validated by preparing graphite from various materials distributed within the Fifth International Radiocarbon Intercomparison (VIRI) study. 14C activity of prepared graphite was measured at the SUERC AMS facility. The results are statistically evaluated by means of the z-score and u-score values. The mean z-score value of 28 prepared VIRI samples is (0.06 ± 0.23) showing excellent agreement with the consensus VIRI values. Only one sample resulted in the u-score value above the limit of acceptability (defined for the confidence interval of 99%) and this was probably caused by a random contamination of the graphitization rig. After the rig had been moved to the new adapted and isolated room, all u-score values laid within the acceptable limits. Our LSC results of VIRI intercomparison samples are also presented and they are all accepted according to the u-score values.

radiocarbon ; Accelerator Mass Spectrometry (AMS) ; graphite preparation ; radiocarbon intercomparison VIRI

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Podaci o izdanju

294

2013.

185-188

objavljeno

0168-583X

1872-9584

10.1016/j.nimb.2012.01.048

Povezanost rada

Fizika, Geologija, Kemija

Poveznice
Indeksiranost