Holmium Sulfate 99.99%
Holmium Sulfate 99.99%, code 6703
Formula: Ho2(SO4)3.xH2O
CAS No.: 15622-40-9
Molecular Weight: 618.05 (anhy)
Density: N/A
Melting point: N/A
Appearance: White crystalline
Solubility: Soluble in water, moderately soluble in strong mineral acids
Stability: Slightly  hygroscopic
Multilingual: HolmiumSulfat, Sulfate De Holmium, Sulfato Del Holmio
Holmium Sulfate also called Holmium Sulphate, has specialized uses in phosphors and dopant to garnet laser. Holmium is one of the colorants used for cubic zirconia and glass, providing yellow or red coloring. They are therefore used as a calibration standard for optical spectrophotometers, and are available commercially.
Products available
Product Code: 6703 Standard Specification Typical Analysis Inspection Methods
Grade 99.99% 99.99%  
CHEMICAL COMPOSITION
Ho2O3 /TREO (% min.) 99.99 99.99
TREO (% min.) 40 40 Volumetric Method
Rare Earth Impurities ppm max. ppm
Tb4O7/TREO
Dy2O3/TREO
Er2O3/TREO
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO		 10
20
50
10
10
10
10		 5
10
50
5
5
5
10		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities ppm max. ppm
Fe2O3
SiO2
CaO
Cl-
CoO
NiO
CuO		 5
100
50
50
5
5
5		 5
25
35
30
5
5
5		 Spectrographic

Atomic Absorption Spectrographic
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 Request for Quotation, you will receive our prompt reply within 24 hours.