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https://www.rings-things.com/Learn/Lead/
Neither traditional sterling silver nor Argentium sterling silver contain lead: it ruins the alloy and causes it to melt into nasty pitted puddles when you attempt to solder it. Shop Sterling Silver and Argentium Sterling Silver Jewelry-Making Supplies; Brass: An alloy of copper and zinc; percentages vary according to desired color or hardness. Our red brass wire is 90% copper and 10% zinc.
https://www.etsy.com/forums_thread.php?thread_id=5378647
Dec 19, 2007 · brass is made of copper and zinc but brass has become a catchall term that often includes mystery base metals that are coated to look like brass. and i believe that is what you need to watch out for. a lot of silver plated chain and findings will contain some lead. california requires that any amount of lead is disclosed but not all states do.
https://www.quora.com/Do-all-types-of-brass-contain-lead-or-is-it-only-for-those-in-bullet-shells-and-cartridges
There are many types of brass designed for different purpose, some contain lead, many do not. Brass shellcase is typically 70% copper, 30% zinc (aka cartridge brass), no lead added. Brass shellcases are deep drawn from brass strip. Adding lead to the brass would be a detriment (to ductility) in this case.
https://www.webmd.com/special-reports/lead-dangers/20170906/lead-consumer-products
Sep 06, 2017 · Unfortunately, the bracelet was made with lead beads that contained high levels of lead — 17,000 ppm. The child had a blood lead of 41, a level high enough to cause anemia.Author: Brenda Goodman, MA
https://www.the-jewelry-making-website.com/dangers-of-lead.html
•Jewelry made from multiple layers of metal such as brass or copper may contain lead in the solder that holds the layers together. This is typical of collectible antique jewelry made from brass stampings.
https://www.cbsnews.com/news/costume-jewelry-found-to-have-high-levels-of-toxins-and-carcinogens-tests-show/
Mar 15, 2012 · The Ecology Center, a Michigan-based non-profit organization that advocates for a safe and healthy environment, discovered through recently …
https://www.romadesignerjewelry.com/blogs/education/why-you-should-stop-buying-brass-jewelry
Why You Should Stop Buying Brass Jewelry There are few reasons not to wear jewelry made of cheap base metals, but allergic reactions are definitely at the top of the list - and brass jewelry is the number 1 culprit for these metal allergies. Keyword(s): brass jewelry. The jewelry market rakes in …
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