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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

Conformità normativa

meets analytical specifications of FCC

Saggio

≥99.9% trace metals basis
≥99.9%

Stato

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

Precursore dei conduttori e superconduttori ionici rapidi LAMOX.
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.

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

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Certificati d'analisi (COA)

Lot/Batch Number
MKCM7122
MKCK4155
MKCH3662
MKCC3266
MKBX1659V

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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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