XRF readings:
Lead: 12300 ppm · Cadmium: 100 ppm · Arsenic: 0 ppm
Verdict: Very high: avoid food contact
This Hand painted vintage Made In Japan floral saucer with roses: 12,300 ppm Lead on the food surface of the dish. tested at 12300 ppm lead, heavily contaminated. If any of the lead is on the painted surface, decoration, or worn area, expect bioavailable exposure with food contact, mouthing, or abrasion. Cadmium reads 100 ppm, which is also flagged territory.
What this XRF reading actually means →
XRF measures lead presence on the surface. It does not measure whether that lead can reach a person. That distinction matters for how you should react to this number. Read the full primer.
Test your own dishes with FluoroSpec →
Source: EverythingLead · Test method: XRF (Niton XL 5 Plus, 1.5 sigma)
License: Verdict and methodology © EverythingLead, CC-BY-SA 4.0. Factual XRF measurements are not copyrightable (Feist v. Rural Tel., 499 U.S. 340).