Characterization of calibration materials for trace element analysis and fingerprint studies of gold using LA-ICP-MS

Characterization of calibration materials for trace element analysis and fingerprint studies of gold using LA-ICP-MS
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使用 LA-ICP-MS 表征金的痕量元素分析和指纹研究的校准材料

DOI:
10.1039/b819685k
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发表时间:
--
影响因子:
3.4
通讯作者:
D. Günther
D. Günther
中科院分区:
化学2区
文献类型:
--
作者:
R. Kovacs ; S. Schlosser ; P.S. Samuel ; A. Schmiderer ; E. Pernicka ; D. Günther

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两个固体金校准材料的特点是在元素组成和分布,以探讨其适用性的指纹研究秘鲁黄金对象。这两种校准材料提供了对元素的访问,这对于考古调查和黄金物品的指纹研究非常重要。此外,这些校准材料含有Ag作为主要元素,其为黄金文物的分析提供了基质匹配校准。采用溶液校准,通过LA-ICP-MS对潜在校准物质进行定量。校准溶液包含所有必要的元素,其通过将Ag转移到氯络合物中并用盐酸稀释多元素溶液以获得稳定的元素浓度来制备。使用NIST 8053和NIST 8062参考物质验证了该校准方法的适用性。对大多数被测元素的准确度和精密度分别优于8%和5%。对选定的前哥伦布时期黄金文物的调查表明,所生产的黄金校准材料的适用性。通过对各种金制品中多种元素的定量分析,有助于进一步探讨秘鲁早期文化中金的来源。
Two solid gold calibration materials were characterized in terms of element composition and distribution to investigate their applicability for fingerprint studies on Peruvian gold objects. The two calibration materials provide access to elements, which are important for archaeological investigations and fingerprint studies of gold objects. Furthermore, these calibration materials contain Ag as a major element, which provide matrix-matched calibration for the analysis of gold artifacts. The quantification of the potential calibration materials was carried out by LA-ICP-MS using solution calibration. The calibration solutions contained all necessary elements, which were prepared by transferring Ag into a chloro-complex and diluting the multi-element solutions with hydrochloric-acid in order to obtain stable element concentrations. The applicability of this calibration approach was validated by using NIST 8053 and NIST 8062 reference materials. The accuracy and precision were found to be better than 8% and 5%, respectively, for most of the determined elements. Investigations of selected Pre-Columbian gold artifacts showed the applicability of the produced gold calibration materials. The quantitative analyses for a wide range of elements of various gold artifacts contribute to further investigation of the provenance of gold types applied in the early Peruvian cultures.
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发表时间: 1999
期刊:
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发表时间: 2002-01-01
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发表时间: 1998
影响因子: 3.4
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期刊: Archaeometry
影响因子: 1.6
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A. Gondonneau;M. Guerra
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蓝宝石的准“非破坏性”激光烧蚀电感耦合等离子体质谱指纹识别
DOI: 10.1016/s0584-8547(01)00185-9
发表时间: 2001
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影响因子: --
作者:
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