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.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | L10 | ICS | 31.020;71.040.50 |
| Release Date | 2021-10-11 00:00:00 | Implementation Date | 2022-05-01 00:00:00 |
