Analytical testing dots

Iridium is a chemical element that has the symbol Ir and atomic number 77. A dense, very hard, brittle, silvery-white transition metal of the platinum family, iridium is used in high-strength alloys that can withstand high temperatures and occurs in natural alloys with platinum or osmium. Iridium is notable for being the most corrosion-resistant element known and for its significance in the determination of the probable cause of the extinction, by a meteorite strike, of the dinosaurs. It is used in high-temperature apparatuses, electrical contacts, and as a hardening agent for platinum.


Atomic number:   77
Symbol:   Ir
Atomic weight:   192.22
Boiling Point (C):    
Melting Point (C):    
Electrical Conductivity:    
Thermal Conductivity:    
Specific Heat Capacity:    


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Analytical testing dots

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