289205
氧化镧(III)
suitable for AAS, ≥99.9%
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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.21
PubChem Substance ID:
UNSPSC Code:
12352200
EC Number:
215-200-5
MDL number:
InChI key
KTUFCUMIWABKDW-UHFFFAOYSA-N
InChI
1S/2La.3O
SMILES string
O=[La]O[La]=O
agency
meets analytical specifications of BP, meets analytical specifications of E252, meets analytical specifications of Ph. Eur., meets analytical specifications of USP
reg. compliance
meets analytical specifications of FCC
assay
≥99.9% trace metals basis, ≥99.9%
form
powder
reaction suitability
reagent type: catalyst
core: lanthanum
technique(s)
AAS: suitable
density
6.51 g/mL at 25 °C (lit.)
Quality Level
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General description
氧化镧 (III) 是一种碱土金属氧化物 ，是氧化钕的抗磁性同构类似物。它也是一种有效的可回收的催化剂，可用于偶联各种芳基卤化物与芳香/烷基硫醇。
Application
LAMOX 快离子导体和超导体的前体。
在电感耦合等离子体原子发射光谱法 (ICP-AES) 中使用氧化镧 (III) 作为分析标准品，用于古陶的化学表征。
适合用作原子吸收标准品。
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
Aldol addition of acetone, catalyzed by solid base catalysts: magnesium oxide, calcium oxide, strontium oxide, barium oxide, lanthanum (III) oxide and zirconium oxide.
Zhang G
Applied Catalysis, 36, 189-197 (1988)
Lanthanum (III) oxide as a recyclable catalyst for the synthesis of diaryl sulfides and diaryl selenides.
The Journal of Organic Chemistry, 34, 5902-5905 (2009)
THERMOPHYSICAL PROPERTIES OF THE LANTHANIDE OXIDES. I. HEAT CAPACITIES, THERMODYNAMIC PROPERTIES, AND SOME ENERGY LEVELS OF LANTHANUM (III) AND NEODYMIUM (III) OXIDES FROM 5 TO 350? K.
The Journal of Physical Chemistry, 67 (2), 339-345 (1963)
Microwave-assisted versus conventional decomposition procedures applied to a ceramic potsherd standard reference material by inductively coupled plasma atomic emission spectrometry.
Papadopoulou DN
Analytica Chimica Acta, 505 (1), 173-181 (2004)
Hui Sun et al.
Bioresource technology, 101(3), 953-958 (2009-09-22)
ZrO(2) supported La(2)O(3) catalyst prepared by impregnation method was examined in the transesterification reaction of sunflower oil with methanol to produce biodiesel. It was found that the catalyst with 21 wt% loaded La(2)O(3) and calcined at 600 degrees C showed
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