Product Name | Gd Metal | Gd Metal | ||
Chemical formula | Gd | Gd | ||
Total rare earths | 99.00% | 99.00% | ||
Test item | unit | Specified value | Specified value | |
Gd/RE | % | ≥99.90 | ≥99.50 | |
Non rare earth impurity content | Fe | % | ≤0.05 | ≤0.05 |
Si | % | ≤0.01 | ≤0.01 | |
C | % | ≤0.03 | ≤0.03 | |
O | % | ≤0.20 | ≤0.20 | |
Mg | % | ≤0.05 | ≤0.05 | |
Product Features | Bulk or acicular crystal and the surface is silver gray | |||
Application | Mainly applied to permanent magnet and magnetic cooling materials;nuclear reactor control materials | |||
Packing | packing in polyethylene bags with argon protection sealed in steel drums,50KG/250KG perdrum. | |||
Tailor-made service | Customized products and packages can be provided according to customers’ special requirements. |
Index Model | Gd.3N | Gd.4N | Gd.4N |
Gd/TREM(%,min) | 99.9 | 99.99 | 99.99 |
TREM(%,min) | 99.0 | 99.5 | 99.9 |
Appearance | Silver Gray Lump | Silver Gray Lump | Silver Gray Lump |
RE Impurities/TREM | %(Max) | %(Max) | %(Max) |
Gd | Main | Main | Main |
Ce | \ | \ | \ |
Pr | \ | \ | \ |
Nd | \ | \ | \ |
Sm | 0.01 | 0.003 | 0.003 |
Eu | 0.001 | 0.001 | 0.0005 |
La | \ | \ | \ |
Tb | 0.01 | 0.001 | 0.0005 |
Dy | 0.01 | 0.001 | 0.005 |
Ho | 0.01 | 0.0005 | 0.0005 |
Er | 0.001 | 0.0005 | 0.0005 |
Tm | 0.001 | 0.0005 | 0.0005 |
Yb | 0.001 | 0.0005 | 0.0005 |
Lu | 0.001 | 0.003 | 0.0005 |
Y | 0.01 | 0.005 | 0.001 |
Non-Re Impurities | %(Max) | %(Max) | %(Max) |
Fe | 0.15 | 0.05 | 0.005 |
Si | 0.01 | 0.01 | 0.005 |
Ca | 0.05 | 0.05 | 0.005 |
Al | 0.01 | 0.01 | 0.003 |
Mg | 0.01 | 0.01 | 0.003 |
Zn | \ | \ | \ |
Cu | \ | \ | \ |
Ni | \ | \ | \ |
Pb | \ | \ | \ |
Cd | \ | \ | \ |
Cr | \ | \ | \ |
Hg | \ | \ | \ |
Na | \ | \ | \ |
K | \ | \ | \ |
Ti | \ | \ | \ |
Th | \ | \ | \ |
Mo | \ | \ | \ |
C | 0.01 | 0.01 | 0.01 |
Cl- | 0.02 | 0.01 | 0.01 |