Glass with Barium Archives

Green shooter marble (Marble King brand, previously sold & marketed as Lead-free): 1,375 ppm Lead (+ Cadmium too).

February 10, 2020March 26, 2021

Above photos shows a small Marble King brand green-swirl “cat’s eye” marble (randomly positive for 175 ppm Lead) next to a large Marble King brand green-swirl “cat’s eye” shooter (randomly positive for 1375 ppm Lead). Please note the level of Lead is not dependent on the size of the marble. – Photos by Avi B….

Amber Glass Vintage Wine Goblet: Lead-Free, Cadmium-Free, Arsenic-Free!

June 17, 2019June 17, 2019

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Every now and then there’s a vintage find that actually doesn’t contain any of “the usual suspects” (5 neurotoxicant metals commonly found in the decorative coatings and/or substrates of so many vintage consumer goods) — Lead, Cadmium, Mercury, Arsenic, and Antimony… When tested with an XRF instrument this goblet (pictured here in this post) had…

Avi’s 8th Grade Science Class Experiment: “How does the elemental composition of glass marbles affect their color?”

March 27, 2019June 18, 2019

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Photos by Avi B. Rubin, age 14 (8th grade science, Sellwood Middle School) Below each marble image is the full XRF test result for that particular color (& style) marble. These marbles are all from the manufacturer Marble King. Important points to note: A Niton XL3T XRF instrument was used for this testing. All testing…

Mountain Rose Herbs Brown Glass 4 oz Bottle: 112 +/- 17 ppm Lead (considered safe by all standards.)

December 15, 2018June 17, 2019

When tested with an XRF instrument the brown glass of this Mountain Rose Herbs bottle had the following readings (these readings are typical for brown glass & you can see more examples HERE.) If a metal is not noted in the result set below it was not detectable by the XRF in the particular test…

Corelle / Corning Visionware Medium Amber Lid Purchased March 2018: 222 ppm Lead, 142 ppm Barium

October 13, 2018June 17, 2019

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Following up on my earlier posts, here is yet another example of XRF test results for a Corning Visions piece. [Year of manufacture: 2018.] I am posting a total of FOUR of these that each look very similar but are different distinct lids that were tested (in three different sizes.) This piece is a medium saucepan…

Corning Visionware: Another Example – XRF Test Results For A Small Saucepan (Made in France)

September 13, 2018June 17, 2019

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Following up on my earlier post, here is another example of XRF test results for a Corning Visions piece. [Year of manufacture unknown.] This piece is a small saucepan and differs from the piece I posted earlier in that it is “Made in France.” It also has the 3-D diamond/pyramid shaped pattern on the bottom…

#LeadFree: New (2014) Duralex Amber Picardie Tumbler

January 14, 2018June 17, 2019

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These Duralex Picardie amber glasses were new (shipped to me for testing directly by the manufacturer) in 2014. They tested negative for lead, mercury and arsenic when tested with an XRF instrument. I love responsible companies who ship me stuff for testing directly! Here is my Amazon affiliate link* to these exact glasses! http://amzn.to/2D4jb3Y Would you like…