When tested with an XRF Instrument the dish pictured here had the following readings (each test is a full minute test result, replicated many times to confirm levels):
#1.) Blue side of food surface glaze
- Lead (Pb): 12 +/- 6 ppm
- Cadmium (Cd): 29 +/- 4 ppm
- Iron (Fe): 1,629 +/- 90 ppm
- Copper (Cu): 389 +/- 26 ppm
- Zinc (Zn): 15 +/- 8 ppm
- Zirconium (Zr): 26,500 +/- 400 ppm
- Barium (Ba): 167 +/- 26 ppm
- Platinum (Pt): 219 +/- 24 ppm
- Non-Detect for: Mercury, Bromine, Chromium
#2.) Yellow/Blue middle of food surface glaze
- Cadmium (Cd): 172 +- 7 ppm
- Iron (Fe): 1,755 +/- 88 ppm
- Copper (Cu): 380 +/- 25 ppm
- Zinc (Zn): 25 +/- 8 ppm
- Zirconium (Zr): 28,100 +/- 400 ppm
- Nb: 213 +/- 11 ppm
- Barium (Ba): 215+/- 26 ppm
- Platinum (Pt): 235 +/- 23 ppm
- Non-Detect for: Lead, Mercury, Bromine, Chromium
#3.) Yellow side of food surface glaze
- Cadmium (Cd): 804 +/- 18 ppm
- Manganese (Mn): 548 +/- 104 ppm
- Iron (Fe): 2,193 +/- 98 ppm
- Copper (Cu): 458 +/- 27 ppm
- Zinc (Zn): 27 +/- 8 ppm
- Zirconium (Zr): 23,200 +/- 300 ppm
- Barium (Ba): 217 +/- 25 ppm
- Platinum (Pt): 241 +/- 24 ppm
- Non-Detect for: Lead, Mercury, Bromine, Chromium
#4.) Back of dish – unglazed brown ceramic
Logo area on back of dish tested similarly
- Lead (Pb): 35 +/- 4 ppm
- Manganese (Mn): 10,900 +/- 200 ppm
- Iron (Fe): 63,600 +/- 600 ppm
- Nickel (Ni): 55 +/- 25 ppm
- Copper (Cu): 15 +/- 10 ppm
- Zinc (Zn): 38 +/- 6 ppm
- Titanium (Ti): 7,299 +/- 421 ppm
- Zirconium (Zr): 287 +/- 6 ppm
- Barium (Ba): 190 +/- 14 ppm
- Platinum (Pt): 54 +/- 13 ppm
- Non-Detect for: Cadmium, Mercury, Bromine, Chromium
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