El código | LN-3N | LN-4N | LN-4.5N |
El Treo% | ≥ 37,5 | ≥ 37,5 | ≥ 37,5 |
La pureza y las impurezas de la tierra rara relativa | |||
La2O3/TREO % | ≥ 99,9 | ≥99.99 | ≥99,995 |
CeO2/TREO% | ≤0,08 | ≤0.0050 | ≤0.0030 |
Pr6O11/TREO% | ≤0,01 | ≤0.0010 | ≤0.0010 |
Nd2O3/TREO% | ≤0,01 | ≤0.0010 | ≤0.0010 |
Sm2O3/TREO% | ≤ 0.001 | ≤0.0010 | ≤0.0010 |
Y2O3/Treo% | ≤ 0.001 | ≤0.0010 | ≤0.0010 |
De la tierra rara no impureza | |||
Fe2O3% | ≤ 0.002 | ≤ 0.002 | ≤0,0005 |
SiO2% | ≤0,01 | ≤ 0.005 | ≤ 0.003 |
CaO% | ≤0,05 | ≤ 0.005 | ≤0,0005 |
PbO% | ≤0,05 | ≤ 0.002 | ≤0,0005 |
El SO 2 4- % | ≤0,01 | ≤ 0.005 | ≤0,0005 |