When tested with an XRF instrument this vintage Thermos Brand lunch box had the following readings:
Exterior Decorated Elements of Lunch Box:
- Lead (Pb): 58,400 +/- 700 ppm
- Mercury (Hg): Non-Detect / Negative
- Cadmium (Cd): Non-Detect / Negative
- Arsenic (As): Non-Detect / Negative
- Chromium (Cr): 7,781 +/- 259 ppm
- Iron (Fe): 880,800 +/- 1,900 ppm
- Titanium (Ti): 36,000 +/0 800 ppm
- Platinium (Pt): 1,324 +/- 478 ppm
- Cobalt (C0): 9,497 +/- 1,341 ppm
- Magnesium (Mn): 3,508 +/- 584 ppm
Black Plastic of Handle:
- Lead (Pb): 41 +/- 4 ppm
- Mercury (Hg): 6 +/- 3 ppm
- Cadmium (Cd): Non-Detect / Negative
- Arsenic (As): Non-Detect / Negative
- Copper (Cu): 12 +/- 7 ppm
- Iron (Fe): 69 +/- 14 ppm
Interior White Painted Surface:
- Lead (Pb): Non-Detect / Negative
- Mercury (Hg): Non-Detect / Negative
- Cadmium (Cd): Non-Detect / Negative
- Arsenic (As): Non-Detect / Negative
- Chromium (Cr): 279 +/- 93 ppm
- Tin (Sn): 169 +/- 57 ppm
- Iron (Fe): 905,700 +/- 1,800 ppm
- Titanium (Ti): 84,200 +/- 1,100 ppm
- Cobalt (Co): 5,301 +/- 1,434 ppm
- Magnesium (Mn): 3,149 +/- 565 ppm
Each reading was done for at least 60 seconds. Metals not listed were not detected in “Consumer Goods” mode.
As always, thank you for reading and for sharing my posts. Please let me know if you have any questions.
Tamara Rubin
#LeadSafeMama
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