ARTEMIS, THE 14C AMS FACILITY OF THE LMC14 NATIONAL LABORATORY: A STATUS REPORT ON QUALITY CONTROL AND MICROSAMPLE PROCEDURES

被引：24

作者：

Moreau, Christophe ^{[1
]}

Messager, Cyrielle ^{[1
]}

Berthier, Bernard ^{[1
]}

Hain, Stephane ^{[1
]}

Thellier, Bruno ^{[1
]}

Dumoulin, Jean-Pascal ^{[1
]}

Caffy, Ingrid ^{[1
]}

Sieudat, Marc ^{[1
]}

Delque-Kolic, Emmanuelle ^{[1
]}

Mussard, Solene ^{[1
]}

Perron, Marion ^{[1
]}

Setti, Valerie ^{[1
]}

Beck, Lucile ^{[1
]}

机构：

[1] Univ Paris Saclay, LSCE IPSL, CEA CNRS UVSQ, Lab Mesure Carbone LMC14 14, Gif Sur Yvette, France

来源：

RADIOCARBON | 2020年 / 62卷 / 06期

关键词：

AMS; lead white painting; microsample; quality control procedures; radiocarbon dating; SMALL RADIOCARBON SAMPLES; GAS ION-SOURCE; SACLAY; CONTAMINATION; EXTRACTION; CARBON;

D O I：

10.1017/RDC.2020.73

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Quality control procedures have been developed at the Laboratoire de Mesure du Carbone 14 (LMC14) national laboratory throughout the years of operation. Routine procedures are applied to sample preparation depending on their composition and their size. The tuning of the ARTEMIS AMS facility, hosted by the LMC14 laboratory, uses an accurate procedure. A batch of unknown samples is measured with accompanying samples (primary and secondary standards and blanks), which give a powerful set of data to control the quality of each measurement. A homemade database has been created to store the sample information and study the evolution of the accompanying samples. The LMC14 laboratory participated in the Sixth International Radiocarbon Intercomparison, SIRI. The results are presented here, with statistical tests to assess the quality of the preparations and measurements done at the LMC14 national laboratory. To obtain a reliable radiocarbon (C-14) age by AMS, 1 mg of sample is required in routine analysis. Recently, the LMC14 developed a new procedure dedicated to microsamples, allowing the size of samples to be reduced and contributing to opening C-14 dating to materials that were previously unreachable. This new procedure has been successfully tested on valuable Cultural Heritage samples: lead white mural paintings.

引用

页码：1755 / 1770

页数：16

共 42 条

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