Iridium (Ir): Iridium is the rarest and most corrosion resistant of the PGMs. It is very dense and has a high chemical and thermal stability. Like platinum, iridium is biologically compatible and has many medical applications. Ruthenium (Ru): Although brittle, ruthenium is very hard and is a...
Why does the color of a copper sulfate solution change when an iron nail is dipped in it? Why isn't hydrochloric acid used to both dissolve and precipitate silver? Explain why ceramic zirconium oxide has the formula ZrO2. Why are the noble metals gold, silver, and platinum a...
Electroplating is a process of depositing a thin layer of metal or metal alloy onto a substrate, which is typically another metal or material. The purpose of this is often to improve properties such as corrosion resistance, wear resistance, aesthetic appeal, or to provide specific elect...
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Tantalum (Ta) is considered a bioinert metal, which has attracted much attention because of its excellent chemical stability, biocompatibility, osteogenic activity, and corrosion resistance, and it has been widely applied in orthopedics and dentistry [24,25,26,27,28]. Moreover, Ta can effectively...