Description: Metallic ruthenium is a hard and brittle silver-gray precious metal of the platinum group and one of the rarest metals. Its content in the earth's crust is only one billionth. Ruthenium is very stable in nature. At room temperature, it can withstand the corrosion of hydrochloric acid, sulfuric acid, nitric acid and aqua regia. Even aqua regia cannot affect it at 100 degrees Celsius. In fact, after processing metallic ruthenium, aqua regia is often used to clean its surface. Metallic ruthenium is mainly used in fields such as catalysts, platinum-palladium hardeners, and wear-resistant cemented carbides. Although platinum and palladium are somewhat more abundant than ruthenium, the price of ruthenium is lower than that of both platinum and palladium.The melting point of metallic ruthenium is as high as 2310 °C, and the theoretical density can reach 12.45 grams per cubic centimeter. Usually, ruthenium products are prepared by powder metallurgy methods, and the density is not as high as that obtained by melting. Dense ruthenium obtained by melting is very rare.
Price: 420 USD
Location: Guangdong
End Time: 2024-11-22T16:42:48.000Z
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