绿锈
3.A green patina or crust of copper sulfate or copper chloride formed on copper, brass, and bronze exposed to air or seawater for long periods of time.
4.The applications of iron-containing compounds (Pd/Fe bimetallic system, FeS2, Fe2O3, FeS, Fe4(superscript Ⅱ)Fe2(superscript Ⅲ)(OH)12SO4yH2O, etc) in degradation of chlorination compounds, such as hexachloroethane, carbon tetrachloride, pentachloroethane, tetrachloroethane, trichloroethane, trichloroethylene, tetrachloroethylene and so on, are reviewed in this paper, as well as their reaction mechanisms.

