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208515

Sigma-Aldrich

Niob(V)-oxid

−325 mesh, 99.9% trace metals basis

Synonym(e):

Niobpentoxid

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About This Item

Empirische Formel (Hill-System):
Nb2O5
CAS-Nummer:
1313-96-8
Molekulargewicht:
265.81
EG-Nummer:
215-213-6
MDL-Nummer:
MFCD00011128
UNSPSC-Code:
12352303
PubChem Substanz-ID:
24852519
NACRES:
NA.23

Assay

99.9% trace metals basis

Form

powder

Partikelgröße

−325 mesh

Dichte

4.47 g/mL at 25 °C (lit.)

SMILES String

O=[Nb](=O)O[Nb](=O)=O

InChI

1S/2Nb.5O

InChIKey

ZKATWMILCYLAPD-UHFFFAOYSA-N

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Allgemeine Beschreibung

Niobium(V) oxide, also known as niobium pentoxide, is a white crystalline powder. It is a refractory metal oxide with a high melting point of over 2500 °C and high chemical stability, including to oxygen and moisture. Niobium(V) oxide is mainly used as a raw material in the production of niobium and niobium alloys, as a catalyst in chemical reactions, and as a refractory material in high-temperature applications. It is also used as a dielectric material in capacitors and as a pigment in ceramics and glasses.

Anwendung

Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.
Promising results were obtained using niobium(V) oxide as an alternate electrode to lithium metal in advanced fuel cells.

Leistungsmerkmale und Vorteile

Applied in the solid state formation of an unusual cation deficient perovskite, Ba7Nb4MoO20.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Sigma-Aldrich

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Sigma-Aldrich

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Strontiumcarbonat ≥99.9% trace metals basis

Sigma-Aldrich

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Strontiumcarbonat

Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
Fabrication and characterization of MIM diodes based on Nb/Nb2O5 via a rapid screening technique.
Prakash Periasamy et al.
Advanced materials (Deerfield Beach, Fla.), 23(27), 3080-3085 (2011-05-25)
Matthew D Pickett et al.
Nanotechnology, 23(21), 215202-215202 (2012-05-04)
We built and measured the dynamical current versus time behavior of nanoscale niobium oxide crosspoint devices which exhibited threshold switching (current-controlled negative differential resistance). The switching speeds of 110 × 110 nm(2) devices were found to be Δt(ON) = 700
Robert L Karlinsey et al.
Biomedical materials (Bristol, England), 1(1), 16-23 (2008-05-07)
Crystalline, self-assembled niobium oxide microstructures formed in situ via potentiostatic anodization of niobium foil in an HF(aq) electrolyte solution are proposed as exceptional nucleators of Ca-P minerals, including hydroxyapatite. This material was tested for bioactivity through immersion in simulated and
Robert L Karlinsey et al.
Bioinspiration & biomimetics, 1(1), 12-19 (2007-08-03)
The formation aspects of a polycrystalline self-assembled bioceramic leading to the nucleation of hard-tissue mineral from a supersaturated solution are discussed. Scanning electron imaging and surface-sensitive interrogations of the nucleated mineral indicated the presence of an intermediate amorphous layer encompassing
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