In an acidic environment, Cr⁶⁺ reacts with diphenylcarbazide to form a purple‑red complex, which exhibits a characteristic absorption peak at 540 nm. By measuring the change in absorbance at this wavelength, the concentration of Cr⁶⁺ in the sample can be quantitatively determined.
规格
规格或纯度
BioReagent
英文名称
Hexavalent Chromium Ion Concentration Assay Kit in Water (Diphenylcarbazide, Colorimetric Method)
危险品化学品经营许可证（带存储）