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Platinum
Platinum

Palladium
Palladium



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Platinum
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Palladium

Physical Properties of Platinum and Palladium

Physical

Melting Point

1,772.00 °C1,554.90 °C
-38.83 3410
👆🏻

Boiling Point

3,827.00 °C2,963.00 °C
0 5660
👆🏻

Appearance

Physical State

Solid
Solid

Color

Silvery White
Silver

Luster

Metallic
Metallic

Hardness

Mohs Hardness

3.504.75
0.2 8.5
👆🏻

Brinell Hardness

300.00 MPa320.00 MPa
0.14 3490
👆🏻

Vickers Hardness

400.00 MPa121.00 MPa
0 3920
👆🏻

Speed of Sound

2,800.00 m/s3,070.00 m/s
818 16200
👆🏻

Optical Properties

Refractive Index

2.411.72
0.155 3.41
👆🏻

Reflectivity

73.00 %84.00 %
5 97
👆🏻

Allotropes

α Allotropes

-
-

β Allotropes

-
-

γ Allotropes

-
-