GB/T 39560.702-2021 《Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method》 Related products

GB/T 39560.702-2021 is part of the standard for the determination of substances in electrical and electronic products. It uses Colorimetry to specifically determine hexavalent chromium [Cr (VI) ] in polymers and electronic parts. The standard specifies the determination principle, required reagents and equipment, explains Sample Handling, specific testing procedures, and standardizes the calculation and reporting of results. Through this standard, hexavalent chromium in polymers and electronic parts can be effectively monitored, ensuring green products and reducing the environmental risks caused by hexavalent chromium.