Specifications：
　　
Formula Eu(NO3)3.6H2O
CAS No. 10031-53-5
Molecular Weight 337.97
Appearance Crystalline
Solubility Soluble in water and strong mineral acids
Stability Slightly hygroscopic

Product Code	0661	0663	0665
Grade	99.999%	99.99%	99.9%
CHEMICAL COMPOSITION
Eu2O3/TREO (% min.)	99.999	99.99	99.9
TREO (% min.)	38	38	38
Rare Earth Impurities	% max.	% max.	% max.
La2O3/TREO CeO2/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Gd2O3/TREO Tb4O7 /TREO Dy2O3 /TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3 /TREO Y2O3/TREO	0.0001 0.0001 0.0001 0.0001 0.0003 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001	0.0005 0.0005 0.0005 0.0005 0.001 0.001 0.001 0.001 0.0005 0.0005 0.0005 0.0005 0.0005 0.0005	0.001 0.001 0.001 0.001 0.05 0.05 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001
Non-Rare Earth Impurities	% max.	% max.	% max.
Fe2O3 SiO2 CaO CuO Cl- NiO PbO	0.0003 0.001 0.001 0.0001 0.01 0.0002 0.0002	0.0005 0.005 0.003 0.0005 0.03 0.0005 0.0005	0.001 0.01 0.01 0.001 0.03 0.001 0.001

Application：newly developed materials, mainly used as a phosphor activator in the red phosphor in colour TV tubes and europium-activated yttrium vanadate; Europium-doped plastic is a laser material.

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