AN-U-040
Chromium(VI) in colorless and colored chromate coating on metallic samples as per IEC 62321 method for RoHS testing
Resumo
The determination of chromium in metal plate samples using anion exchange chromatography with UV/VIS detection after post-column reaction with diphenylcarbazide as per IEC 62321 method for RoHS testing. This method provides procedures for the determination of the presence of chromium(VI) in colorless and colored chromate coatings on metallic samples.