Heritage Science

Table 4 Semi-quantitative results of the µ-XRF analysis of sample KLR-12290/C93 encrustation. The NIST2711 standard material was used for absolute calibration using the Bruker software

From: Investigations of the relics and altar materials relating to the apostles St James and St Philip at the Basilica dei Santi XII Apostoli in Rome

Element	Conc.
Element	wt%
Si	5.18
Ca	29.8
Fe	0.55
Cu	0.05
Zn	0.85
Sr	0.024
Ba	0.25
Pb	0.46

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