Sliver / Chrome colored cabinet knob / drawer pull: 36 ppm Lead (safe by all standards), 80 ppm Mercury (no specified total content limits for hazard determination.)

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XRF test results for the item pictured.
More information to be posted shortly.


Published: Friday, February 4 – 2022

Silver colored knob
60-second test

  • Lead (Pb): 36 +/- 18 ppm
  • Cadmium (Cd): non-detect
  • Mercury (Hg): 80 +/- 34 ppm
  • Bromine (Br): 17 +/- 6 ppm
  • Arsenic (As): non-detect
  • Chromium (Cr): 27,100 +/- 300 ppm
  • Manganese (Mn): 256 +/- 44 ppm
  • Iron (Fe): 173 +/- 40 ppm
  • Cobalt (Co): 346 +/- 35 ppm
  • Nickel (Ni): 307,700 +/- 500 ppm
  • Copper (Cu): 579,700 +/- 700 ppm
  • Zinc (Zn): 93,100 +/- 400 ppm
  • Titanium (Ti): 189 +/- 118 ppm
  • Bismuth (Bi): 447 +/- 17 ppm
  • No other metals detected in consumer goods mode.

For those new to this website:

Tamara Rubin is a Federal-award-winning independent advocate for consumer goods safety and a documentary filmmaker. She is also a mother of Lead-poisoned children. Tamara’s sons were acutely Lead-poisoned in August of 2005. She began testing consumer goods for toxicants in 2009 and was the parent-advocate responsible for finding Lead in the popular fidget spinner toys in 2017. Tamara uses XRF testing (a scientific method used by the U.S. Consumer Product Safety Commission) to test consumer goods for toxicants (specifically heavy metals), including Lead, Cadmium, Mercury, Antimony and Arsenic. All test results reported on this website are science-based, accurate and replicable. Items are tested multiple times to confirm the test results for each component tested. Please click through to this link to learn more about the testing methodology used for the test results discussed and reported on this website.

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3 Comments

  1. Mercury, wow! I didn’t even know mercury was used in metals. Do you know if this is vintage or currently sold? Thank you for all the work you do Tamara.

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