Given the lack of interaction with the back plate on this knob set, I think this is likely a good choice given the options out there (even though it is not 100% Lead-free).
Glass of knob
60-second reading
- Barium (Ba): 3,148 +/- 613 ppm
- No other metals were detected in the glass.
Metal base of knob
3-minute reading
- Lead (Pb): 2,347 +/- 670 ppm
- Antimony (Sb): 170 +/- 85 ppm
- Selenium (Se): 34,000 +/- 2,500 ppm
Tin (Sn): 3,990 +/- 320 ppm
- Zinc (Zn): 244,800 +/- 17,000 ppm
- Copper (Cu): 577,200 +/- 40,000 ppm
- Nickel (Ni): 1,457 +/- 161 ppm
- Iron (Fe): 2,263 +/- 232 ppm
- Bismuth (Bi): 1,487 +/- 255 ppm
- Chlorine (Cl): 4,668 +/- 1,649 ppm
I’m happy to see lead free glass. What’s the brand so we can purchase? Looking for crystal door knobs for my home.o