L4000
氧化镧(III)
≥99.9%
别名:
三氧化二镧, 三氧化镧
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关于此项目
线性分子式:
La2O3
化学文摘社编号:
分子量:
325.81
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-200-5
MDL number:
InChI key
KTUFCUMIWABKDW-UHFFFAOYSA-N
InChI
1S/2La.3O
SMILES string
O=[La]O[La]=O
assay
≥99.9%
form
powder
reaction suitability
reagent type: catalyst
core: lanthanum
density
6.51 g/mL at 25 °C (lit.)
application(s)
battery manufacturing
Quality Level
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General description
La2O3是一种宽带隙p型半导体，也称为倍半氧化镧。它是唯一具有空Ln-4f外壳的镧系氧化物，广泛用于制备光学材料、电介质和导电陶瓷。La2O3也可用作许多有机转化的催化剂。
Application
LAMOX 快离子导体和超导体的前体。
氧化镧（III）提高了玻璃的耐碱性能，由于高折射率和低色散，被广泛应用于照相机和望远镜透镜、红外吸收玻璃和其他特种光纤的制备。例如，可作为起始材料制备用于诊断X射线屏蔽的La2O3-CaO-B2O3-SiO2玻璃。
可用于制备热膨胀系数高、导热系数低的热障涂料。
还可用作合成二苯基硫化物和硒化物的可循环催化体系。
可用于制备热膨胀系数高、导热系数低的热障涂料。
还可用作合成二苯基硫化物和硒化物的可循环催化体系。
Features and Benefits
- 高折射率
- 热稳定性
- 硬度
- 高介电常数
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Ling Zhang et al.
Journal of hazardous materials, 190(1-3), 848-855 (2011-05-03)
Phosphate removal from wastewater is very important for the prevention of eutrophication. Adsorption of phosphate from water was investigated using activated carbon fiber loaded with lanthanum oxide (ACF-La) as a novel adsorbent. The effects of variables (La/ACF mass ratio, impregnation
Lili Liu et al.
Journal of nanoscience and nanotechnology, 11(3), 2155-2162 (2011-04-01)
La2O3-CeO2 nanopowders with different La2O3 (0-20 mol%) were prepared by the sol-gel method. The modification of the cubic structure of ceria by substituting La3+ for Ce4+ into the lattice of CeO2 has been investigated. The crystal structure of La2O3-CeO2 nanomaterials
Lixia Wang et al.
Journal of hazardous materials, 196, 342-349 (2011-09-29)
This investigation was to increase the adsorption capacity of magnetite for Congo red (CR) by adulterating a small quantity of La(3+) ions into it. The adsorption capability of nanocrystalline Fe(3-x)La(x)O(4) (x=0, 0.01, 0.05, 0.10) ferrite to remove CR from aqueous
Lukas C Gerber et al.
Chemical communications (Cambridge, England), 48(32), 3869-3871 (2012-03-14)
Lanthanum oxide nanoparticles were utilized to scavenge phosphate from microbial growth media for the use of targeted nutrient starvation as an antimicrobial strategy. Only in phosphate poor environments a toxic effect was observed. The effect was shown on Escherichia coli
A J Barón-González et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 23(49), 496003-496003 (2011-11-24)
The origin of dielectric anomalies and magnetodielectric response of La(2)MnCoO(6) has been investigated by means of ultra-high resolution synchrotron x-ray powder diffraction, neutron powder diffraction, resistivity, magnetization and dielectric measurements. The study has been performed on two different bulk samples
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