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Physical Properties of Platinum and Rhodium


Physical Properties of Rhodium and Platinum


Physical Properties

Melting Point
1,772.00 °C   
16
1,966.00 °C   
12

Boiling Point
3,827.00 °C   
15
3,727.00 °C   
17

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery White   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
3.50   
11
6.00   
6

Brinell Hardness
300.00 MPa   
34
980.00 MPa   
9

Vickers Hardness
400.00 MPa   
25
1,100.00 MPa   
9

Speed of Sound
2,800.00 m/s   
29
4,700.00 m/s   
15

Optical Properties
  
  

Reflectivity
73.00 %   
8
84.00 %   
4

Allotropes
No   
No   

α Allotropes
Not Available   
Not Available   

β Allotropes
Not Available   
Not Available   

γ Allotropes
Not Available   
Not Available   

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