Holmium Oxide

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Appearance:Light yellowCasno:12055-62-8
Formula:Ho2O3Weight:377.8588
Einecs:235-015-3Density:8.36
Melting:2330ºCSoluble:Insoluble in water, moderately soluble in strong mineral acids
Detailed Specification
Spec 99.999% 99.99% 99.9% 99%
CHEMICAL COMPOSITION
Ho2O3/TREO (%Min.) 99.999 99.99 99.9 99
TREO (%Min.) 99 99 99 99
Loss On Ignition (%Max.) 0.5 0.5 1 1
Rare Earth Impurities %Max. %Max. %Max. %Max.
Tb4O7/TREO
Dy2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO
0.0001
0.0005
0.0005
0.0001
0.0001
0.0001
0.0001
0.0005
0.001
0.005
0.0005
0.0005
0.0005
0.001
0.01
0.03
0.03
0.005
0.005
0.005
0.01
0.1
0.3
0.3
0.1
0.01
0.01
0.05
Non-Rare Earth Impurities %Max. %Max. %Max. %Max.
Fe2O3
SiO2
CaO
Cl-
CoO
NiO
CuO
0.0002
0.001
0.003
0.005
0.0001
0.0001
0.0001
0.0005
0.001
0.005
0.005
0.0005
0.0005
0.0005
0.001
0.005
0.005
0.02
0.005
0.02
0.02
0.05
Packing: 50KGs Iron Drum
Stability: Slightly hygroscopic
Application: also called Holmia, has specialized uses in ceramics, glass, phosphors and metal halide lamp, and dopant to garnet laser. Holmium can absorb fission-bred neutrons, it is also used in nuclear reactors to keep atomic chain reaction from running out of control.
Synonyms: Holmium (III) oxide (99.9%-Ho) (REO); HolmiumoxideREOwhitepowder; HOLMIUM OXIDE; holmium(+3) cation; oxygen(-2) anion