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Comparing Chemistries: Inter-Laboratory Evaluation of Glass Bead Compositional Research in the Great Lakes Region
Archaeometry ( IF 1.5 ) Pub Date : 2021-04-20 , DOI: 10.1111/arcm.12683
H. Walder 1 , J. A. Petrus 2 , L. Dussubieux 3 , R. G. V. Hancock 4 , A. L. Hawkins 2
Affiliation  

Glass beads from archaeological sites in the North American Great Lakes region have been subject to chemical analysis for several decades. Early work identified key elements in glass beads using Instrumental Neutron Activation Analysis (INAA), a bulk sample analysis method. Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS) now offers an alternative, point-based analytical method. We compare results of analyzing the same artifacts using INAA and LA-ICP-MS, and analyses undertaken in two LA-ICP-MS laboratories with differing data analysis protocols. Good comparability across methods and labs makes it possible to combine legacy and newly obtained data to explore interregional archaeological questions.

中文翻译:

化学比较:大湖区玻璃珠成分研究的实验室间评估

几十年来,来自北美五大湖地区考古遗址的玻璃珠一直在进行化学分析。早期工作使用仪器中子活化分析 (INAA)(一种批量样品分析方法)确定了玻璃珠中的关键元素。激光烧蚀电感耦合等离子体质谱法 (LA-ICP-MS) 现在提供了一种替代的、基于点的分析方法。我们比较了使用 INAA 和 LA-ICP-MS 分析相同工件的结果,以及在两个具有不同数据分析协议的 LA-ICP-MS 实验室进行的分析。方法和实验室之间的良好可比性使得结合遗留数据和新获得的数据来探索跨区域考古问题成为可能。
更新日期:2021-04-20
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