Specifications：
　　
Formula Pr(OH)3.xH2O
Molecular Weight 191.90
Appearance Green
Solubility Insoluble in water, moderately soluble in strong mineral acids
Stability Slightly hygroscopic}

Product Code	0341	0343	0345	0347
Grade	99.999%	99.99%	99.9%	99%
CHEMICAL COMPOSITION
Pr6O11/TREO (% min.)	99.999	99.99	99.9	99
TREO (% min.)	45	45	45	45
Rare Earth Impurities	% max.	% max.	% max.	% max.
La2O3/TREO CeO2/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Y2O3/TREO	0.0003 0.0003 0.0005 0.0001 0.0001 0.0001 0.0001	0.005 0.005 0.01 0.001 0.001 0.001 0.005	0.03 0.03 0.1 0.01 0.01 0.01 0.01	0.05 0.05 0.7 0.01 0.01 0.01 0.01
Non-Rare Earth Impurities	% max.	% max.	% max.	% max.
Fe2O3 SiO2 CaO Cl- ? PbO	0.0005 0.005 0.01 0.01 0.001	0.001 0.003 0.01 0.01 0.001	0.003 0.02 0.01 0.02	0.005 0.03 0.02 0.03

Application：used to colour glasses ,enamels and pigments.

Contact Telephone：0086-20-87750576,87629994