


| Name | White Rare earth polishing powder | Batch | 20170502 |
|---|---|---|---|
| model | XGY-557D | granularity(D50) | 1.95 μm |
| purity(CeO2/TREO) | 75.95% | Total amount(TREO) | 96.71% |
| Rare earth impurities (ppm) | Non-rare earth impurities (ppm) | ||
| La2O3/TREO | Nd | F⁻ | 39500 |
| Pr6O11/TREO | <100 | CaO | 510 |
| Nd2O3/TREO | <100 | Fe2O3 | <100 |
| Sm2O3/TREO | <100 | Na2O | 660 |
| Eu2O3/TREO | Nd | ||
| Gd2O3/TREO | Nd | ||
| Tb4O7/TREO | Nd | ||
| Dy2O3/TREO | Nd | ||
| Ho2O3/TREO | Nd | ||
| Er2O3/TREO | Nd | ||
| Tm2O3/TREO | Nd | ||
| Yb2O3/TREO | Nd | ||
| Lu2O3/TREO | Nd | ||
| Y2O3/TREO | <100 | ||