The determination of six restricted substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, and polybrominated diphenyl ethers) in electronic and electrical products. This standard specifies the determination method for the content of lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (Cr (V), as well as two types of brominated flame retardants, polybrominated biphenyls (PBB) and polybrominated diphenyl ethers (PBDE), in electronic and electrical products. This standard only involves the processing and testing of samples, and the category and sampling method of samples are determined by the testing agency. Note 1: For further guidance on how to obtain representative samples from the electronic product under test for determining the content of restricted substances, please refer to IEC/PAS 62596; 2009l '. It should be noted that the selection of samples can affect the expression of test results. This standard does not include: - the definition of a sample "unit" or "homogeneous material"; - the splitting procedure for obtaining the sample; - the evaluation procedure. Note 2: For further guidance on evaluation procedures, please refer to IEC/TR 62476; 2009 [2]. 2 Normative References The following documents are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 27025 General Requirements for the Competence of Testing and Calibration Laboratories (GB/T 27025-2008, ISO/IEC 17025:2005, IDT) ISO/IEC Guide 98:1995 Guide to the Expression of Uncertainty in Measurement ISO 3696 Water for Analytical Laboratory Use Specification and Test Methods
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