BS EN 62321-3-1. Determination of certain substances in electrotechnical products. Part 3-1. Screening electrotechnical products for lead, mercury, cadmium, total chromium & total bromine using x-ray fluorescence spectrometry Electronic equipment & components, Electrical equipment, Electrical components, Environmental engineering, Chemical analysis & testing, Determination of content, Lead, Mercury, Cadmium, Chromium, Biphenyl, Flame retardants, Dangerous materials