Ytt-Eu Coprecipitate 569X
Composition
Yttrium rich material co-precipitated with Europium. Several grades are available meeting various specifications. This data sheet provides a compilation of typical data. Some lots are doped with Samarium and/or Terbium.
Apperance

White, Free-flowing Powder
Physical Properties
Melting point: approx 2420 ºC
Packaging
25 Kg in five gallon pails
Shipping Point
Mountain Pass, CA
Product Composition
Yttrium-Europium Co-Precipitate
Loss on Ignition @ 1,000' C 1% max
Y2O3
93 - 96
%
Eu2O3
4 - 7
%
La2O3
1
ppm max
CeO2
1
ppm max
Pr6O11
1
ppm max
Nd2O3
2
ppm max
Sm2O3
1 - 10
ppm max
Gd2O3
1
ppm max
CaO
10
ppm max
SrO
2
ppm max
Fe2O3
5
ppm max
Particle Size (FAPS) 5 microns
Screened - 100 mesh (< 150 microns)

Chemical Properties
Yttrium closely resembles the lanthanides in properties. The oxide, slightly hygroscopic, is insoluble in water but soluble in mineral acids. Among Yttrium (III) salts, the carbonate and oxalate are insoluble but the chloride, acetate, and nitrate are soluble in water.

Ytt/Eu Co-Precipitate - 569X