Determination of Mercury, Cadmium and Lead Content in Batteries

This standard specifies methods for determining mercury, cadmium and lead content in batteries and applies to the testing of hazardous heavy-metal content in primary batteries and storage batteries. Battery manufacturers, testing institutions and relevant quality-control entities may use this standard for sample preparation, testing and result determination to verify whether mercury, cadmium and lead content in products complies with relevant limit requirements and quality-management requirements. This is a recommended national standard and fully replaces GB/T 20155-2018.