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Lanthanum(III) oxide

suitable for AAS, ≥99.9%

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About This Item

Linear Formula:
La2O3
CAS Number:
1312-81-8
Molecular Weight:
325.81
EC Number:
215-200-5
MDL number:
MFCD00011071
UNSPSC Code:
12000000
PubChem Substance ID:
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

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.)

SMILES string

O=[La]O[La]=O

InChI

1S/2La.3O

InChI key

KTUFCUMIWABKDW-UHFFFAOYSA-N

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General description

Lanthanum (III) oxide is an alkaline earth oxide, and is a diamagnetic, isostructural analog of neodymium oxide. It is also an efficient recyclable catalyst, and can be used in coupling various aryl halides with aromatic/alkyl thiols.

Application

Lanthanum (III) oxide was used as an analytical standard in inductively coupled plasma atomic emission spectrometry (ICP-AES) for chemical characterization of ancient pottery.
Suitable for use as atomic absorption standard.
Precursor to LAMOX fast ion conductors and superconductors.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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)
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)
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)
Guangxiu Cao et al.
Journal of hazardous materials, 178(1-3), 440-449 (2010-02-13)
In this work, we investigated the synergetic effect of La and F on the visible light photocatalytic activity of TiO(2) catalysts. La(2)O(3)/TiO(2-x)F(x) photocatalysts were prepared by a simple sol-gel process using tetrabutyl titanate (TBT), La(NO(3))(3) and NH(4)F as precursors. XPS
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