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12070-12-1 - Tungsten carbide, 99.5% (metals basis) - 12482 - Alfa Aesar

12482 Tungsten carbide, 99.5% (metals basis)

CAS-Nummer
12070-12-1
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100g 69,70
500g 251,00
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Tungsten carbide, 99.5% (metals basis)

MDL
MFCD00011464
EINECS
235-123-0

Chemische Eigenschaften

Formel
WC
Molmasse
195.86
Form
APS <1 micron
Schmelzpunkt
2870°
Dichte
15.63
Löslichkeit
Soluble in nitric acid and hydrofluroic acid. Insoluble in water.

Anwendungen

Tungsten carbide is extensively used as a cutting tool for machining and in armor-piercing ammunition. It is also used in farriery, the shoeing of horses as well as to improve traction on slippery surfaces like roads or ice. It finds application in nuclear reactors as an effective neutron reflector. It is also used for making surgical instruments meant for open surgery such as scissors, forceps, hemostats, blade-handles and in laparoscopic surgery instruments such as graspers, cutter, needle holder and cautery. Further, it also used to make the rotating ball in the tips of ballpoint pens, bridal jewelry, and gauge blocks, which is useful for producing precision lengths in dimensional metrology.

Bemerkungen

Incompatible with strong oxidizing agents.

Literaturverweise

Hassan, A.; Paganin, V. A.; Ticianelli, E. A. Pt modified tungsten carbide as anode electrocatalyst for hydrogen oxidation in proton exchange membrane fuel cell: CO tolerance and stability. Appl. Catal., B 2015, 165, 611-619.

Yan, Z.; Gu, Y.; Wei, W.; Jiang, Z.; Xie, J.; Shen, P. K. Tungsten Carbide Synthesized by Polystyrene Sphere Template Method Promoting Pd Electrocatalyst for Alcohol Oxidation in Alkaline Media. Fuel Cells 2015, 15 (2), 256-261.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H228-H350

Flammable solid. May cause cancer.

Sicherheitshinweise: P210-P201-P280-P240-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Obtain special instructions before use. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,9815
Gefahrenklasse
4.1
Verpackungsgruppe
III
Harmonized Tariff Code
2849.90
TSCA
Yes
RTECS
YO7250000

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