PROPERTIES: Dark brown powder, insoluable in water, soluable in strong mineral acids.

APPLICATIONS: For making ceramic glazes and praseodymium yellow, a raw material for Pr metal and RE permanent-magnet alloys.

PACKING: Compound paper bags of 25kgs net each, 1000kgs on a pallet.

TREO…………………………99% min.
Main Content:

Pr₆O₁₁/REO…………………..99.5% max.

Non-RE Impurities:

Fe₂O₃………………………0.02% max.
SiO₂………………………….0.04% max.
CaO…………………………..0.03% max.
Cl………………………………0.05% max.
L.O.I…………………………..1.0% max.

RE Impurities:

Y₂O₃/REO…………….0.01% max.
La₂O₃/REO…………..0.1% max.
CeO₂/REO……………..0.2% max.
Nd₂O₃/REO…………..0.3% max.
Sm₂O₃/REO………….0.01% max.
Eu₂O₃/REO……………0.01% max.
Gd₂O₃/REO…………..0.01% max.
Dy₂O₃/REO…………..0.01% max.
Ho₂O₃/REO…………..0.01% max.
Er₂O₃/REO……………0.005% max.
Tm₂O₃/REO………….0.005% max.
Y₂O₃/REO…………..0.005% max.
La₂O₃/REO…………..0.005% max.