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Kobalt
Kobalt




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Kobalt Sifat fisik

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Fisik

Titik lebur

1.495,00 ° C
Rank: 29 (Overall)
-38.83 3410
👆🏻

Titik didih

2.870,00 ° C
Rank: 35 (Overall)
0 5660
👆🏻

Penampilan

Keadaan fisik

Padat

Warna

Kelabu

Kilau

Metalik

Kekerasan

Mohs Hardness

5,00
Rank: 8 (Overall)
0.2 8.5
👆🏻

Brinell Hardness

470,00 MPa
Rank: 31 (Overall)
0.14 3490
👆🏻

Vickers Hardness

1.043,00 MPa
Rank: 18 (Overall)
0 3920
👆🏻

Kecepatan suara

4.720,00 Nona
Rank: 18 (Overall)
818 16200
👆🏻

Properti optik

Indeks bias

2,50
Rank: 5 (Overall)
0.155 3.41
👆🏻

Daya pemantulan

67,00 %
Rank: 16 (Overall)
5 97
👆🏻

alotrop

iya nih

α Alotrop

α-Cobalt

β Alotrop

β-Cobalt

γ Alotrop

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