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Holmium Metal (Ho)-Powder

Holmium Metal (Ho)-Powder

CAS: 7440-60-0
Molecular Formula: Ho
Purity: 99.9 %-99.95 %
Products Code: 6700PD
Specification Model: - 200 mesh/- 60 mesh
Hazardous Class: Class 4.1
EINECS No.: 231-169-0
UN No.: UN3089
Package Class: PG II
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Holmium Metal (Ho)-Powder introduce:


Holmium is a chemical element with the symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a rare-earth element.

Phase at STP: solid

Melting point: 1734 K (1461 °C, 2662 °F)

Boiling point: 2873 K (2600 °C, 4712 °F)

Density (near r.t.): 8.79 g/cm3

when liquid (at m.p.): 8.34 g/cm3

Heat of fusion: 17.0 kJ/mol

Heat of vaporization: 251 kJ/mol

Molar heat capacity: 27.15 J/(mol·K)


Holmium has the highest magnetic permeability of any element and therefore is used for the polepieces of the strongest static magnets. Because holmium strongly absorbs neutrons, it is also used as a burnable poison in nuclear reactors.
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