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BackgroundSeveral studies have shown nickel and cobalt release from jewellery by using spot tests, but the metal composition of jewellery is largely unknown.
ObjectivesTo evaluate the metal composition of a large worldwide sample of mainly inexpensive jewellery items, and investigate the release of nickel, cobalt and lead from a subsample by using EN 1811:1998‐required methods.
MethodsA total of...
Background: China and Thailand produce large amounts of jewellery that are sold domestically and abroad.
Objective: To identify nickel release and metal content in earrings purchased in China and Thailand.
Methods: A total of 557 earrings were randomly purchased from vendors in 11 markets located in Beijing, Chengdu, Bangkok, Patong Beach, and Hat Yai. Earrings were subjected to dimethylglyoxime (DMG)...
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