Hexavalent chromium plating has weaknesses such as toxicity and environmental pollution.
2
铬的毒性与其存在状态有关,六价铬是电镀含铬废水中的主要特征污染物。
The toxicity of chromium is related to its oxidation states, and the primary typical pollutant in chromium-containing electroplating waste water is hexavalent chromium.