Characterisation of metallic mordants in Subarctic Athapaskan quillwork: a PIXE-RBS study on replicate samples

Native American quillwork collections remain little studied due to the limited availability of quillwork material for sampling. In this paper we explore the use of non-invasive Particle Induced X-Ray Emission (PIXE) and Rutherford Backscattering Spectrometry (RBS) to characterise metallic residues i...

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Dans:URI:https://journals.openedition.org/techne,
Auteurs principaux: Troalen, Lore, Calligaro, Thomas, Pacheco, Claire, Hulme, Alison N.
Format: Article ou chapitre numérique
Langue:Anglais
Publié: Technè 2019
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Accès en ligne:Accès Université d'Orléans et IFPM
Accès Université d'Orléans et IFPM
Description
Résumé:Native American quillwork collections remain little studied due to the limited availability of quillwork material for sampling. In this paper we explore the use of non-invasive Particle Induced X-Ray Emission (PIXE) and Rutherford Backscattering Spectrometry (RBS) to characterise metallic residues in a set of modern porcupine quills prepared with a range of metallic mordants. PIXE analysis was used to determine the concentrations of various mordants present, while RBS analysis allowed additional information on the depth-profiling of the mordants at the surface of the quills to be obtained.