This standard specifies a method for the determination of hexavalent chromium content in zinc and zinc alloy platings on the surface of steel plates and steel strips using the Spectrophotometric method, spectrophotometry. It is suitable for the determination of hexavalent chromium content in pure zinc plating, zinc-iron alloys, zinc-aluminum and aluminum-zinc alloys, and the determination range is 2 μg/g to 100 μg/g or 0.020 μg/cm ² to 10 μg/cm ². The method uses a spectrophotometer to determine the hexavalent chromium content at a wavelength of 540 nm by leaching hexavalent chromium in platings. It is suitable for environmental protection and mass testing of steel products.
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 | H11 | ICS | 77.080.01 |
| Release Date | 2015-09-11 00:00:00 | Implementation Date | 2016-06-01 00:00:00 |
