Holmium Metal
Brief information of Holmium Metal
Formula: Ho
CAS No.: 7440-60-0
Molecular Weight: 164.93
Density: 8.795 gm/cc
Melting point: 1474 °C
Appearance: Silvery grey lump piwces, ingot, rods or wires
Stability: Moderately reactive in air
Ductibility: Good
Multilingual: HolmiumMetall, Metal De Holmium, Metal Del Holmio
Application of Holmium Metal:
Holmium Metal, is mainly metallurgical uses. Added to vanadium, for example, Erbium lowers hardness and improves workability. There are also a few applications for nuclear industry. Erbium Metal can be further processed to various shapes of ingots, pieces, wires, foils, slabs, rods, discs and powder.
Specification of Holmium Metal:
| CHEMICAL COMPOSITION | Holmium Metal | |||
| Ho/TREM (% min.) | 99.99 | 99.99 | 99.9 | 99 |
| TREM (% min.) | 99.9 | 99.5 | 99 | 99 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Gd/TREM Tb/TREM Dy/TREM Ho/TREM Tm/TREM Yb/TREM Lu/TREM Y/TREM |
10 10 30 50 50 10 10 30 |
10 10 30 50 50 10 10 30 |
0.005 0.005 0.05 0.05 0.05 0.005 0.01 0.1 |
0.01 0.05 0.1 0.3 0.3 0.3 0.1 0.6 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
| Fe Si Ca Al Mg W Ta O C Cl |
200 50 50 50 50 50 50 300 50 50 |
500 100 100 100 50 100 100 500 100 100 |
0.15 0.01 0.05 0.02 0.01 0.1 0.01 0.15 0.01 0.01 |
0.15 0.01 0.05 0.03 0.1 0.1 0.05 0.2 0.03 0.02 |
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