Used in a wide spectrum of applications ranging from food industry to forensic sciences, cork has been mostly characterized by surficial analytical methods. A more robust technique such as Dynamic Secondary Ion Mass Spectrometry (D-SIMS) can provide adequate depth resolution and detection limits in order to determine compositional variations with depth. Cork material properties nevertheless
present significant challenges for D-SIMS analysis, such as sample charging, surface heterogenities, and porosity induced outgassing. Two cork varieties from wine bottles were analyzed with our IMS 7f-GEO D-SIMS instrument. The elemental maps presented here illustrate the Mn heterogeneity on the surface and with depth, demonstrating the applicability of D-SIMS for this study.
Recorded on a CAMECA 7f-GEO at Pacific Northwest National Lab, Richland WA, USA. Image courtesy of Natalie. E. Sievers et al.
Novel Approaches for Measuring Cork Material: Measurements and Applications. Poster presentation at SIMS 23 Conference, Minneapolis, USA (2022).