Background: EN 1811 is the internationally recognised test method which was devised almost 12 years ago to determine the rate of nickel release from jewellery, spectacle frames and other items. The test was devised to assess whether articles comply with the requirements of the EU Nickel Directive which restricts the release rate of nickel from articles intended to come into direct and prolonged contact with the skin and with post assemblies intended to be inserted into piercings in the body. …
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