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262722

Sigma-Aldrich

Niob

powder, <45 μm, 99.8% trace metals basis

Synonym(e):

Columbium

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About This Item

Empirische Formel (Hill-System):
Nb
CAS-Nummer:
7440-03-1
Molekulargewicht:
92.91
EG-Nummer:
231-113-5
MDL-Nummer:
MFCD00011126
UNSPSC-Code:
12141730
PubChem Substanz-ID:
24855922
NACRES:
NA.23

Assay

99.8% trace metals basis

Form

powder

Widerstandsfähigkeit

13-16 μΩ-cm, 20°C

Partikelgröße

<45 μm

bp

4742 °C (lit.)

mp (Schmelzpunkt)

2468 °C (lit.)

Dichte

8.57 g/mL at 25 °C (lit.)

SMILES String

[Nb]

InChI

1S/Nb

InChIKey

GUCVJGMIXFAOAE-UHFFFAOYSA-N

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Verwandte Kategorien

Piktogramme

Flame
GHS02

Signalwort

Danger

H-Sätze

H228

Gefahreneinstufungen

Flam. Sol. 1

Lagerklassenschlüssel

4.1B - Flammable solid hazardous materials

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type N95 (US)

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCP8461
MKCP6449
MKCM7225
MKCK6538
MKCJ1532

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M I Tsindlekht et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(8), 085701-085701 (2013-01-31)
We report results of measurements of the ac conductivity of a Nb superconducting thin film in a swept dc magnetic field. In the mixed state the swept dc field creates vortices at the film surface which pass through the film
Kulbir Kaur Ghuman et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(8), 085501-085501 (2013-01-25)
A systematic study of electronic structure and band gap states is conducted to analyze the monodoping and charge compensated codoping of rutile TiO(2) with Rh and Nb, using the DFT + U approach. Doping of rutile TiO(2) with Rh atoms induces hybridized
Evgeniy Papulovskiy et al.
Physical chemistry chemical physics : PCCP, 15(14), 5115-5131 (2013-03-02)
Ab initio DFT calculations of (93)Nb NMR parameters using the NMR-CASTEP code were performed for a series of over fifty individual niobates, and a good agreement has been found with experimental NMR parameters. New experimental and calculated (93)Nb NMR data
Anjan Soumyanarayanan et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(5), 1623-1627 (2013-01-16)
The competition between proximate electronic phases produces a complex phenomenology in strongly correlated systems. In particular, fluctuations associated with periodic charge or spin modulations, known as density waves, may lead to exotic superconductivity in several correlated materials. However, density waves
Christos D Malliakas et al.
Journal of the American Chemical Society, 135(5), 1719-1722 (2013-01-23)
2H-NbSe(2) is a canonical Charge-Density-Wave (CDW) layered material the structural details of which remained elusive. We report the detailed structure of 2H-NbSe(2) below the CDW transition using a (3 + 2)-dimensional crystallographic approach on single crystal X-ray diffraction data collected
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