Technical Articles From SPEX SamplePrep

Analysis of Circuit Boards and Electrical Connectors for RoHS/WEEE Regulated Elements Using XRF

Mar 21, 2022 | John E. Martin, Lea L. Anderson‐Smith, Gloria Adjei‐Bekoe

Manufacturers and suppliers of electronic and electrical products to member states within the EU must comply with RoHS (Restriction of Hazardous Substances) and WEEE (Waste from Electrical and Electronic Equipment) regulations. Six materials are restricted under these directives: lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (Cr VI), polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE). Maximum allowable concentrations of these materials are 1000ppm, with the exception of cadmium, which is restricted to a maximum of 100ppm....