XRF test results for antique bakelite dice
Lead (Pb): 13 +/- 5 ppm Tin (Sn): 34 +/- 23 ppm Copper (Cu): 68 +/- 13 ppm Zinc (Zn): 20 +/- 8 ppm Iron (Fe): 176 +/- 35 ppm No other metals detected in consumer goods mode. For those new to this website Background updated September 2022: Tamara Rubin is a Federal-award-winning independent…