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Related Experiment Videos

Applications of SNMS in archaeometry.

H Paulus1, K H Müller, W Melzer

  • 1Institut für Technologie- und Wissenstransfer an der Hochschulabteilung Soest und Fachbereich Elektrische Energietechnik der Universität-GH -Paderborn Abt. Soest, Steingraben 21, D-59494, Soest, Germany.

Analytical and Bioanalytical Chemistry
|October 1, 1995
PubMed
Summary

High Frequency Mode SNMS (Secondary Neutral Mass Spectrometry) enables analysis of insulators, complementing the Direct Bombardment Mode for conductors. This technique successfully identified ceramic origins and analyzed painted artifacts and glass corrosion.

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Area of Science:

  • Materials Science
  • Analytical Chemistry
  • Archaeometry

Background:

  • Secondary Neutral Mass Spectrometry (SNMS) traditionally analyzes conducting materials.
  • Insulating materials present challenges for conventional SNMS analysis.
  • A new High Frequency Mode (HFM) for SNMS has been developed.

Purpose of the Study:

  • To introduce and demonstrate the capabilities of the High Frequency Mode (HFM) of SNMS for analyzing insulating materials.
  • To showcase the application of HFM-SNMS in the analysis of historic ceramic and glass samples.
  • To highlight the potential of HFM-SNMS for materials characterization and provenance studies.

Main Methods:

  • Utilized the High Frequency Mode (HFM) of electron gas SNMS.
  • Applied HFM-SNMS to analyze various historic ceramic and glass samples.

Related Experiment Videos

  • Compared HFM-SNMS capabilities with the established Direct Bombardment Mode (DBM) for conducting samples.

    • Main Results:

    • Demonstrated successful analysis of insulating ceramic and glass samples using HFM-SNMS.
    • Achieved distinct SNMS mass spectra ('fingerprints') for different ceramic manufacturing origins.
    • Identified the elemental composition of colorants on a painted ceramic artifact ('Kaisermedaillon').
    • Investigated corrosion phenomena on glass samples.

    Conclusions:

    • HFM-SNMS effectively extends SNMS analysis to insulating materials.
    • SNMS mass spectra provide unique identifiers for ceramic provenance.
    • HFM-SNMS is a valuable tool for analyzing historical artifacts and material degradation.