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289205

氧化镧(III)

Name: 氧化镧(III)
Brand: ALDRICH

suitable for AAS, ≥99.9%

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线性分子式:

La₂O₃

CAS号:

1312-81-8

分子量:

325.81

EC 号:

215-200-5

MDL编号:

MFCD00011071

PubChem化学物质编号:

24857397

NACRES:

NA.21

Agency

meets analytical specifications of BP
meets analytical specifications of E252
meets analytical specifications of Ph. Eur.
meets analytical specifications of USP

质量水平

100

管理合规性

meets analytical specifications of FCC

检测方案

≥99.9% trace metals basis
≥99.9%

形式

powder

反应适用性

reagent type: catalyst
core: lanthanum

技术

AAS: suitable

密度

6.51 g/mL at 25 °C (lit.)

SMILES字符串

O=[La]O[La]=O

InChI

1S/2La.3O

InChI key

KTUFCUMIWABKDW-UHFFFAOYSA-N

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一般描述

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。

应用

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。

LAMOX 快离子导体和超导体的前体。

储存分类代码

13 - Non Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

分析证书(COA)

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示例

T1503

货号

25G

包装规格/数量

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705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

输入内容 1.000309185)

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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)

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)

Transesterification of sunflower oil to biodiesel on ZrO2 supported La2O3 catalyst.

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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实验方案

ASTM D5134: GC Analysis of Hydrocarbons on Petrocol® DH 50.2

-1,3-Dimethylcyclopentane; 1,1-Dimethylcyclopentane; 2,2,3-Trimethylpentane; 2,2-Dimethylbutane; 2,2-Dimethylhexane; 2,2-Dimethylpentane; 2,3-Dimethylbutane; 2,3-Dimethylhexane; 2,4-Dimethylheptane; 2,4-Dimethylpentane; 2,5-Dimethylheptane; 2-Methylhexane; 2-Methylpentane; 3,3-Dimethylpentane; 3,4-Dimethylhexane; 3-Ethylpentane; 3-Methyloctane; 4-Methylheptane; Ethylbenzene; Ethylcyclopentane; 2,6-Dimethylheptane; 3-Ethylheptane