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Glass industry field
時(shí)間:2024-11-28

Rare earth elements have three applications in the glass industry: glass coloring, glass decolorization, and preparation of special performance glass. Rare earth oxides used for glass coloring include neodymium (pink with purple luster), praseodymium glass (green for manufacturing filters), etc; Cerium dioxide can oxidize yellow green ferrous ions in glass to trivalent ions for decolorization, avoiding the toxicity of arsenic oxides used in the past. Neodymium oxide can also be added for physical decolorization; Rare earth special glass such as cerium glass (radiation resistant glass) and lanthanum glass (optical glass).