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氧化钐

氧化钐

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Description
Category: Rare Earth Oxides

FormulaSm2O3
CAS No. 12060-58-1
Molecular Weight 348.80

Appearance Light yellow powder
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic

Application: Samarium Oxide, also called Samaria, Samarium has a high neutron absorption capacity, Samarium Oxides have specialized uses in glass, phosphors, lasers, and thermoelectric devices. Calcium chloride crystals treated with samarium have been employed in lasers which produce beams of light intense enough to burn metal or bounce off the moon.

Standard Specifications

Grade 99.999 99.99% 99.9% 99%
CHEMICAL COMPOSITION



Sm2O3/TREO (% min.) 99.999 99.99 99.9 99
TREO (% min.) 99.5 99 99 99
Loss On Ignition (% max.) 0.5 0.5 1 1
Rare Earth Impurities % max. % max. % max. % max.
Pr6O11/TREO
Nd2O3/TREO
Eu2O3/TREO
Gd2O3/TREO
Y2O3/TREO
0.0003
0.0
005
0.0
005
0.00
05
0.00
01
0.005
0.01
0.01
0.005
0.005
0.01
0.05
0.03
0.01
0.01
0.03
0.25
0.25
0.03
0.01
Non-Rare Earth Impurities % max. % max. % max. % max.
Fe2O3
SiO2
CaO
Cl-
NiO
CuO
CoO

0.0005
0.005
0.005
0.005
0.0003
0.0003
0.0003

0.0005
0.005
0.01
0.01
0.001
0.001
0.001

0.001
0.015
0.02
0.01

0.003
0.03
0.03
0.02
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