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Heritage Science

Table 3 Synthesis of the analytical results obtained on the studied samples

From: An analytical survey of zinc white historical and modern artists’ materials

  1. White background for samples in the form of powder, gray for samples in the form of paint. N/A indicates that the analysis was not performed
  2. aFrom PIXE and XRD. When no PIXE was available an “Y” indicated the presence of ZnO
  3. b1-10 wt%, listed in decreasing order; from PIXE and XRD
  4. c < 1 wt%, listed in decreasing order; from PIXE
  5. dFrom SEM
  6. eClassification from SEM data (small if both diameter and lengths < 500 nm; medium if at least one dimension > 500 nm; large if at least one dimension > 1000 nm); numerical values from Williamson-Hall analysis (HR-XRD data): in blue the estimated length along (hk0), in orange the estimated length along (00 l); the indicated maximum is 1000 nm, apart from larger particles (i.e., KF Chemicals; VM cachet bleu, blanc et or; Lefranc paint tube)
  7. fVieille Montagne
  8. g73.9 wt% Zn calculated by PIXE. XRD and FTIR revealed that the sample is mostly made of hydrozincite
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