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228672

Sigma-Aldrich

Samarium(III) oxide

99.9% trace metals basis

Synonym(s):

Samaria

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About This Item

Linear Formula:
Sm2O3
CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

99.9% trace metals basis

form

powder

reaction suitability

reagent type: catalyst
core: samarium

density

8.35 g/mL at 25 °C (lit.)

SMILES string

O=[Sm]O[Sm]=O

InChI

1S/3O.2Sm

InChI key

PRCWVHVINXAFRG-UHFFFAOYSA-N

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Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Matthew D Burke et al.
Pharmaceutical research, 24(4), 695-704 (2007-03-21)
To develop a robust radiolabeling technique to enable evaluation of difficult to radiolabel gastric retentive formulations using gamma scintigraphy. The use of a successful radiolabel will allow accurate assessment of the gastric residence time of the formulations. The retention of
Janne Marvola et al.
International journal of pharmaceutics, 281(1-2), 3-10 (2004-08-04)
This paper is a report from a pharmacoscintigraphic study with an Egalet constant-release system containing caffeine and natural abundance samarium oxide. First the formulation was tested in vitro to clarify integrity during irradiation in the nuclear reactor. Then six healthy
B Mandal et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 60(4), 933-939 (2004-03-24)
Microphone based photoacoustic (PA) spectrometer to study solids in powder form was designed and fabricated. Laser PA spectra of Sm3+ ion in Sm2O3 and SmCl3.6H2O microcrystalline powders were recorded first time in 484-542 nm spectral region at room temperature. Analysis
Yasunori Fukuda
Journal of radiation research, 43 Suppl, S67-S69 (2003-06-10)
In order to observe and estimate the dose of ultraviolet (UV) radiation, the thermoluminescence (TL) of sintered CaF2 doped with Tb4O7 and Sm2O3 was studied. A several kind of lanthanides elements are doped in pure CaF2 powder crystals and properties
Tuuli Marvola et al.
International journal of pharmaceutics, 349(1-2), 24-29 (2007-09-18)
The fate of two colon-specific formulations developed in our previous study was investigated using a gamma scintigraphic imaging method. The formulations contained paracetamol and samarium oxide (Sm2O3) and either microcrystalline cellulose (MCC) or hypromellose (HPMC K4M) as diluent and were

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