Test items

Results

Appearance

White crystal powder

Lu2O3/TREO

≥99.999% (based on rare rarth analysis)

TREO

≥99.50%

Rare earth Impurities  

≤PPM

CeO2

0.5

La2O3

0.5

Pr6O11

0.5

Nd2O3

0.5

Sm2O3

0.5

Eu2O3

0.5

Gd2O3

0.5

Tb4O7

0.5

Dy2O3

0.5

Ho2O3

0.5

Yb2O3

1.5

Y2O3

0.8

Non- Rare earth impurities

≤PPM

Fe

1.5

Si

18

Ca

15