Ru(Atomic number : 44)

1. Introduce – A member of the platinum group, has good high temperature stability, high melting point (2334℃) and boiling point (4150℃) – Insoluble in most acids, does not react with oxygen at room temperature, and is insoluble in royal water below 100℃ – Mainly used as a hardening agent to increase the hardness of platinum and palladium, and to improve the corrosion resistance of titanium – Effects of Ru alloying elements: Improves hardness of platinum and palladium, improves corrosion resistance of titanium 2. Property – Good corrosion resistance, high temperat...