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Grade | 99.9999% | 99.999% | 99.99% | 99.9% |
Yb2O3/TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 |
TREO (% min.) | 99.9 | 99 | 99 | 99 |
Loss On Ignition (% max.) | 0.5 | 0.5 | 1 | 1 |
Rare Earth Impurities | % max. | % max. | % max. | % max. |
Tb4O7 /TREODy2O3 /TREOHo2O3/TREOEr2O3/TREO Tm2O3/TREOLu2O3 /TREOY2O3/TREO | 0.000010.000010.000010.000010.000050.000010.00001 | 0.00010.00010.00010.00050.00050.00010.0005 | 0.00050.00050.00050.00250.00250.00050.0005 | 0.0010.0010.0010.010.010.0010.001 |
Non-Rare Earth Impurities | % max. | % max. | % max. | % max. |
Fe2O3SiO2CaOCl-NiOZnOPbO | 0.00010.0010.0010.0030.00010.00010.0001 | 0.00030.00150.00150.010.00020.00030.0002 | 0.00050.0050.0050.030.00050.0010.0005 | 0.0010.010.010.030.0010.0010.001 |
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Industrial powder Ytterbium oxide(Yb2O3)99-99.999%