Samarium Hydroxide 99%
Samarium Hydroxide 99%, code 6257
Formula: Sm(OH)3.xH2O
CAS No.: 20403-06-9
Molecular Weight: 201.37 (anhy)
Density: N/A
Melting point: N/A
Appearance: Light yellow powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Stability: Slightly hygroscopic
Multilingual: SamariumHydroxid, Hydroxyde De Samarium, Hidroxido Del Samario
Samarium Hydroxide 99% is used in glass and thermoelectric devices. One of the most important applications of Samarium is in Samarium–Cobalt magnets, which have a nominal composition of SmCo5 or Sm2Co17.
Products available
Product Code: 6257 Standard Specification Typical Analysis Inspection Methods
Grade 99% 99%  
CHEMICAL COMPOSITION
Sm2O3/TREO (% min.) 99.9 99.9
TREO (% min.) 45 45 Volumetric Method
Rare Earth Impurities % max. %
Pr6O11/TREO
Nd2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Y2O3/TREO		 0.03
0.25
0.25
0.03
0.01		 0.02
0.25
0.2
0.01
0.01		 ICP-Atomic Emission
Spectrographic
Non-Rare Earth Impurities % max. %
Fe2O3
SiO2
CaO
Cl-
NiO
CuO
CoO		 0.003
0.03
0.03
0.02		 0.001
0.02
0.03
0.02		 Spectrographic

Atomic Absorption Spectrographic
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