Lanthanum oxide
1312-81-8 Basic informationMore
- Product Name:Lanthanum oxide
- Synonyms: Lanthanum(III) oxide, Rare Earth Oxides Content Lanthanum(III) oxide, For AAS analysis LANTHANUM OXIDE LANTHANUM(+3)OXIDE dilanthanumoxide dilanthanumtrioxide Lanthana lanthania(la2o3)
- CAS:1312-81-8
- MF:La2O3
- MW:325.81
- EINECS:215-200-5
- Mol File:1312-81-8.mol
-
USE
Lanthanum oxide (La<sub>2</sub>O<sub>3</sub>) has a melting pointof 2250°C, is soluble in acids, and very slightlysoluble in water. This oxide of a rare earth elementoccurs in monazite and bastnasite. It ismarketed as the oxide or as other salts such asthe oxalate, nitrate, or hydrate. It quicklyabsorbs water and CO<sub>2</sub> from the atmosphere.Its chief use is as an ingredient in nonsilica,rare element optical glass with oxides of tungsten, tantalum, and thorium. Lanthanumincreases refractive index, decreases dispersion,and is also used in x-ray image intensifyingscreens that speed up x-ray exposure asmuch as two to ten times so that diagnosticdosages may be reduced by as much as 80%with fewer retakes. It is also used in bariumtitanate capacitors.
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- Lanthanum oxide
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- $6.00 /kg
- CAS:1312-81-8
- Min. Order: 1kg
- Purity: 99%
- Supply Ability: 2000KG/Month
- 2025-04-21
- Lanthanum oxide
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- $10.00-30.00
- CAS:1312-81-8
- Min. Order: 50KG
- Purity: 99%
- Supply Ability: 500000kg
- 2025-04-15
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