Environmental Project No. 1292, 2009

Development and use of screening methods to determine chromium (VI) and brominated flame retardants in electrical and electronic equipment

The RoHS substances have traditionally been used for a large number of purposes, and as electrical and electronic equipment is made up of multiple components, each of which is subject to the RoHS requirements, determining whether a product is compliant with the provisions of the Directive is an extensive task.

The content of lead, cadmium and mercury in individual materials can be determined easily and non-destructively using an X-ray Fluorescence Spectrometry (XRF) screening method. For hexavalent chromium and the two groups of brominated flame retardants, PBDEs and PBBs, the XRF method is not immediately applicable, and there has consequently been a need for the development of relatively simple and cheap screening methods.

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Version 1.0 May 2009, © Danish Environmental Protection Agency