When tested with an XRF instrument this vintage Band-Aid box had the following readings:
- Lead (Pb): 2,193 +/- 147 ppm
- Chromium (Cr): 1,022 +/- 126 ppm
- Zinc (Zn): 2,897 +/- 267 ppm
- Copper (Cu): 433 +/- 172 ppm
- Iron (Fe): 851,800 +/- 1,800 ppm
- Titanium (Ti): 128,600 +/- 1,200 ppm
- Cobalt (Co): 8,264 +/- 1,305 ppm
- Magnesium (Mn): 3,916 +/- 559 ppm
Tests were done multiple time for a minimum of 60 seconds. Metals not detected by the XRF in consumer goods mode are not listed. All test results reported on this blog are replicable.
For Context: The amount of Lead that is considered toxic in a newly manufactured item intended for use by children is anything 90 ppm Lead or higher in the paint or coating.
Takeaway: Don’t let children play with vintage tins. If you have a vintage tin collection, please consider putting it behind glass in a locked display case.
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