Holmium Metal

Holmium metal is a relatively soft rare earth metal with good ductility. It is relatively stable in dry air at room temperature, but it is rapidly oxidized in humid air or at higher temperatures. Holmium metal can react with cold water and react quickly with hot water.

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Product Description

Brief Description of Holmium Metal

Material name	Holmium metal
Formula	Ho
CAS No.	7440-60-0
EINECS NO.	231-169-0
Molecular Weight	164.93
Density	8.54g/cm3
Melting point	1474°C
Bolting point	2600°C
Appearance	Silver white ingot or lump, or other customized size
Purity/Specification (Ho/REM)	99%-99.99%

Application

The main uses of holmium metal include the following aspects:

Medical field: Holmium laser is widely used in the medical field, mainly for the fragmentation of stones.

Lighting technology: Holmium lamps can achieve a higher concentration of metal atoms in the arc zone, greatly improving radiation efficiency.

Magnetic material: Holmium metal can be used as an additive for yttrium iron or yttrium aluminum garnet, which can improve surgical efficiency and accuracy, and reduce thermal damage.

Fiber optic communication: Holmium doped fibers can be used to produce optical communication devices such as fiber lasers, fiber amplifiers, and fiber sensors, playing an important role in fiber optic communication.

Specification

Purity	2N	3N	4N	4N
Ho/TREM(%Min.)	99	99.9	99.99	99.99
TREM(%Min.)	99	99	99.5	99.9
Rare Earth Impurities(in TREM,%Max.)
Eu	subtotal 1.0	0.001	0.002	0.002
Gd		0.002	0.003	0.003
Tb		0.01	0.003	0.003
Dy		0.05	0.001	0.001
Er		0.05	0.001	0.001
Tm		0.01	0.001	0.001
Yb		0.01	0.001	0.001
Lu		0.01	0.001	0.001
Y		0.03	0.001	0.001
Non-Rare Earth Impurities(%Max)
Fe	0.15	0.15	0.1	0.01
Si	0.01	0.01	0.01	0.005
Ca	0.05	0.05	0.05	0.005
Al	0.01	0.01	0.01	0.005
Mg	0.01	0.01	0.01	0.005
W	0.05	0.05	0.05	0.05
Ta	0.05	0.01	0.01	0.0005
0	0.2	0.15	0.15	0.015
C	0.03	0.01	0.01	0.005
Cl	0.02	0.01	0.01	0.005