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267546

Sigma-Aldrich

Tungsten

foil, thickness 0.25 mm, ≥99.9% trace metals basis

Sinonimo/i:

W

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About This Item

Formula empirica (notazione di Hill):
W
Numero CAS:
7440-33-7
Peso molecolare:
183.84
Numero CE:
231-143-9
Numero MDL:
MFCD00011461
Codice UNSPSC:
12141747
ID PubChem:
24856232
NACRES:
NA.23

Livello qualitativo

100

Saggio

≥99.9% trace metals basis

Forma fisica

foil

Resistività

4.9 μΩ-cm, 20°C

Spessore

0.25 mm

P. eboll.

5660 °C (lit.)

Punto di fusione

3410 °C (lit.)

Densità

19.3 g/mL at 25 °C (lit.)

Stringa SMILE

[W]

InChI

1S/W
WFKWXMTUELFFGS-UHFFFAOYSA-N

Quantità

  • 50×50 mm (approximately 12 g)
  • 100×100 mm (approximately 48 g)

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Niobium foil, thickness 0.25 mm, 99.8% trace metals basis

Sigma-Aldrich

262781

Niobium

Tungsten powder, 12 μm, 99.9% trace metals basis

Sigma-Aldrich

267511

Tungsten

Weijie Zhao et al.
ACS nano, 7(1), 791-797 (2012-12-22)
Geometrical confinement effect in exfoliated sheets of layered materials leads to significant evolution of energy dispersion in mono- to few-layer thickness regime. Molybdenum disulfide (MoS(2)) was recently found to exhibit indirect-to-direct gap transition when the thickness is reduced to a
Zhigang Chen et al.
Advanced materials (Deerfield Beach, Fla.), 25(14), 2095-2100 (2013-02-22)
A new photothermal coupling agent for photothermal ablation (PTA) therapy of tumors is developed based on ultrathin PEGylated W18O49 nanowires. After being injected with the nanowire solution, the in vivo tumors exhibit a rapid temperature rise to 50.0 ± 0.5
Denys Shevchenko et al.
Dalton transactions (Cambridge, England : 2003), 42(14), 5130-5139 (2013-02-14)
A rare example of a "monomeric" triple transition-metal substituted Keggin anion has been synthesized and characterized by various methods including X-ray crystallography, ESI and MALDI mass spectrometry, electrochemistry, EPR, and SQUID.
Karel Deprez et al.
Medical physics, 40(1), 012501-012501 (2013-01-10)
The construction of complex collimators with a high number of oblique pinholes is very labor intensive, expensive or is sometimes impossible with the current available techniques (drilling, milling or electric discharge machining). All these techniques are subtractive: one starts from
Michael L Crichton et al.
Biomaterials, 34(8), 2087-2097 (2012-12-25)
The recent emergence of micro-devices for vaccine delivery into upper layers of the skin holds potential for increased immune responses using physical means to target abundant immune cell populations. A challenge in doing this has been a limited understanding of
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