Factory direct supply la2o3 rare earth lanthanum oxide for optical glass


Items | Grade |
La2O3/REO %min | 99.999 | 99.995 | 99.99 | 99.9 | 99.5 | 99.0 |
Rare earth impurities REO | CeO2 | 0.0002 | 0.0005 | 0.0015 | 0.005 | 0.05 | 0.5 |
Pr6O11 | 0.0002 | 0.0005 | 0.0015 | 0.005 | 0.01 | 0.10 |
Nd2O3 | 0.0002 | 0.0005 | 0.0010 | 0.0010 | 0.01 | 0.1 |
Sm2O3 | 0.0002 | 0.0005 | 0.0010 | 0.001 | 0.01 | 0.01 |
Y2O3 | 0.0003 | 0.0010 | 0.0010 | 0.005 | 0.005 | 0.1 |
Non rare earth impurities | Fe2O3 | 0.0002 | 0.0003 | 0.0005 | 0.001 | 0.005 | 0.010 |
SiO2 | 0.0030 | 0.0050 | 0.0050 | 0.010 | 0.050 | 0.050 |
CaO | 0.0010 | 0.0050 | 0.0050 | 0.010 | 0.050 | 0.10 |
CuO | 0.0002 | 0.0002 | 0.0005 | — | — | — |
NiO | 0.0002 | 0.0002 | 0.0005 | — | — | — |
PbO | 0.0010 | 0.0020 | 0.0050 | — | — | — |
Cl— | 0.02 | 0.03 | 0.03 | 0.03 | 0.05 | 0.05 |

Application:
Made of special alloys used in the manufacture of precision optical glass, high refractive optical fiber, suitable for cameras, camera, microscope lens and advanced optical instruments prism. Also used in the manufacture of ceramic capacitors, piezoelectric ceramics dopants and X-ray emitting material bromine lanthanum oxide powder. Used as a catalyst for many, for improving barium titanate (BaTiO3), strontium titanate temperature (SrTiO3) dependence of ferroelectric and dielectric properties, and the manufacture of fiber optics and optical glass

Hebei Suoyi Chemicals Import and Export Co., Ltd..


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