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289205

Supelco

Ossido di lantanio(III)

suitable for AAS, ≥99.9%

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About This Item

Formula condensata:
La2O3
Numero CAS:
1312-81-8
Peso molecolare:
325.81
Numero CE:
215-200-5
Numero MDL:
MFCD00011071
Codice UNSPSC:
12000000
ID PubChem:
24857397
NACRES:
NA.21

agenzia

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

Livello qualitativo

100

Conformità normativa

meets analytical specifications of FCC

Saggio

≥99.9% trace metals basis
≥99.9%

Forma fisica

powder

Impiego in reazioni chimiche

reagent type: catalyst
core: lanthanum

tecniche

AAS: suitable

Densità

6.51 g/mL at 25 °C (lit.)

Stringa SMILE

O=[La]O[La]=O

InChI

1S/2La.3O
KTUFCUMIWABKDW-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni

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.
Precursore dei conduttori e superconduttori ionici rapidi LAMOX.

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

Certificati d'analisi (COA)

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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)
A K Singh et al.
Optics letters, 37(5), 776-778 (2012-03-02)
Low-power-threshold cw laser-induced incandescence (CWLII) has been observed in La(2)O(3):Er(3+)-Yb(3+) phosphor on excitation by a 976 nm IR laser. It is suggested that incandescence originates from the extensive heating induced by the nonradiative processes taking place following the laser excitation.
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