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Praseodymium fluoride

Pale green powder with pinkish shade.insoluble in water,Hardly soluble in hydrochloric acid,nitric acid and sulfuric acid,but soluble in perchloric. acid.hardly absorb moisture in air,stable.

Description

FormulaPrF3
Mol.wt197.90
Main ApplicationOptical coating; praseodymium metal materials

Specification

                                   
Relative Purity
Min.%
99.99 99.9
TREO
Min.%
86±2 86±2
                 
RE Impurities/REO 
Max.%
Y2O3 0.0003 0.0100
La2O3 0.0003 0.0003
CeO2 0.0025 0.0300
Nd2O3 0.0020 0.0500
Sm2O3 0.0003 0.0100
Eu2O3 0.0003 0.0050
Gd2O3 0.0010 0.0050
Tb4O7 0.0010 0.0050
Dy2O3 0.0003 0.0050
Ho2O3 0.0003 0.0050
Er2O3 0.0003 0.0050
Tm2O3 0.0003 0.0050
Yb2O3 0.0003 0.0050
Lu2O3 0.0003 0.0050
         
Non-RE Impurities  
Max.%
Fe2O3 0.0010 0.0050
SiO2 0.0300 0.0500
CaO 0.0100 0.0500
F 29±3 29±3
    L.O.I                             Max.% 1 1

Packing

In sealed double polyethylene bags. The bags are packed in steel drums containing 50 Kgs net each.
 

Others

Specification is adjustable as per user' s special requirement.