Rare Earth Product Information
& Standard Specifications
product details
Holmium Hydroxide
Holmium Hydroxide

Holmium Hydroxide ,also called Holmium Hydrate, has specialized uses in ceramics, glass, phosphors and metal halide lamp, and catalyst.

Formula Ho(OH)3.xH2O
CAS No. 12054-57-8
Molecular Weight 215.90
Appearance White
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic
GermanHolmiumHydroxid FrenchHydroxyde De Holmium SpanishHidroxido Del Holmio
Standard Specifications
Product Code 6751 6753 6755 6757
Grade 99.999% 99.99%  99.9% 99%
CHEMICAL COMPOSITION     กก กก
Ho2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 60 60 60 60
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
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The standard specifications are only for reference, custom specification manufactures are welcomed. More detailed information including MSDS sheet, lot weight, packing condition, lead time and price are all ready on request, please just click at the product's grade, or Send An Enquiry, you will receive our prompt reply within 24 hours.

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