1905 Door Latch (black painted metal): 3,628 ppm Lead (likely painted with Lead paint.)

1905 door latch (black painted metal)
Original door hardware in a 1905 home.

• Lead (Pb): 3,628 +/- 507 ppm
• Zinc (Zn): 362 +/- 220 ppm
• Copper (Cu): 1,014 +/- 367 ppm
• Iron (Fe): 544,900 +/- 39,000 ppm
• Titanium (Ti): 1,109 +/- 373 ppm
• Chlorine (Cl): 3,672 +/- 1,995 ppm