Ring one – with bent metal band – images above: #1.) Test on the band Cadmium (Cd): 40 +/- 8 ppm Silver (Ag): 47 +/- 7 ppm Gold (Au): 28,700 +/- 1,000 ppm Zinc (Zn): 14,300 +/- 400 ppm Copper (Cu): 54,900 +/- 1,200 ppm Nickel (Ni): 20,400 +/- 600 ppm Indium (In): 31 +/-…
Originally written January 14, 2017 Updated (extensively!) February 17, 2020 This is an ad-free article. To make a contribution to help us keep our most widely-read articles ad-free, click here. Thank you. For those new to the Lead Safe Mama website: Tamara Rubin is a multiple-federal-award-winning independent advocate for childhood Lead poisoning prevention and…
Can gold rings have Lead? —The answer is, “yes!” When tested with a a high-precision XRF instrument (in “Consumer Goods Mode”), this 2003 graduating class ring [from Texas A&M University] had the following readings: 9,927 ppm Lead 417,000 ppm Gold Update: I just learned that the Texas A&M class rings have historically been manufactured…