DIN EN 1811:2023 Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin
2023DIN EN 1811:2023-04 Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin; German version EN 1811:2023
2023DIN EN 1811:2023 Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin
2016DIN EN 16128:2016 Ophthalmic optics - Reference method for the testing of spectacle frames and sunglasses for nickel release; German version EN 16128:2015
2011DIN EN 16128:2011 Reference test method for release of nickel from those parts of spectacle frames and sunglasses intended to come into close and prolonged contact with the skin; German version EN 16128:2011
2008DIN EN 1811:2008 Reference test method for release of nickel from products intended to come into direct and prolonged contact with the skin; German version EN 1811:1998+A1:2008
1999DIN EN 1811:1999 Reference test method for release of nickel from products intended to come into direct and prolonged contact with the skin; German version EN 1811:1998