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The International Organization for Standardization (ISO) has published ISO 8124–3:2020 Safety of toys — Part 3: Migration of certain elements on March 2020.

This Standard specifies maximum acceptable levels and methods of sampling, extraction and determination for the migration of the elements antimony, arsenic, barium, cadmium, chromium, lead, mercury and selenium from toy materials and from parts of toys.

This third edition cancels and replaces the second edition (ISO 8124–3:2010), which has been technically revised. It also incorporates the Amendments ISO 8124–3:2010/Amd.1:2014 and ISO 8124–3:2010/Amd.2:2018.
The main changes to the previous edition are as follows:

  • two detailed dewaxing methods have been introduced to replace the original one;
  • an ICP-OES method for determination of the elements is given in Annex C as informative content.

The requirements of this part of ISO 8124 are based on the bioavailability of certain elements resulting from the use of toys and should not, as an objective, exceed the following levels per day:

  • 0,2 µg for antimony;
  • 0,1 µg for arsenic;
  • 25,0 µg for barium;
  • 0,6 µg for cadmium;
  • 0,3 µg for chromium;
  • 0,7 µg for lead;
  • 0,5 µg for mercury;
  • 5,0 µg for selenium.”

This document was prepared by Technical Committee ISO/TC 181, Safety of toys.
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