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MA-XRF measurement for corrosion assessment on bronze artefacts

Lins, S.A.B., Di Francia, E., Grassini, S., Gigante, G.E., Ridolfi, S.
  • Abstract:
    In this study, an innovative portable macro X-Ray Fluorescence (MA-XRF) scanner prototype has been employed in order to gain information on composition and distribution of corrosion products artificially grown on Cu-based coupons. First results have shown the importance of using artificially corroded reference samples before any assessment on archaeological artefacts. Moreover, the prototype used demonstrated to be a powerful tool for understanding complex corrosion processes which might occur on Cubased alloys. The scanner was able to detect light elements as S and Cl, essential for studying the distribution of specific corrosion compounds. Using imaging techniques, it was possible to observe a gradient in Cu elemental maps intensity caused by the overlapping of a thicker corrosion product layer.
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  • DOI:
    _unreg_tc4-ARC-2019.105

Event details:

  • IMEKO TC:
    TC4
  • Event name:
    TC4 MetroArchaeo 2019
  • Title:

    IMEKO TC4 International Conference on Metrology for Archaeology and Cultural Heritage

  • Place:
    Florence, ITALY
  • Time:
    04 December 2019 - 06 December 2019