Merck
所有图片(1)

267554

Sigma-Aldrich

wire, diam. 0.25 mm, ≥99.9% trace metals basis

别名:
宽度
Empirical Formula (Hill Notation):
W
CAS号:
分子量:
183.84
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

质量水平

100

测定

≥99.9% trace metals basis

形式

wire

电阻率

4.9 μΩ-cm, 20°C

直径

0.25 mm

bp

5660 °C (lit.)

mp

3410 °C (lit.)

密度

19.3 g/mL at 25 °C (lit.)

SMILES string

[W]

InChI

1S/W

InChI key

WFKWXMTUELFFGS-UHFFFAOYSA-N

应用

钨 (W) 丝可用于多种应用,包括:
  • 制备可用作场发射体、纳米探针和扫描隧道显微镜 (STM) 探针的钨针尖。
  • 提高无定形硅锗合金的能量带隙。
  • 制备照明行业应用的钨纤维。

包装

9.5 g in poly spool

数量

9.5g = 10m;95g = 100m

储存分类代码

13 - Non Combustible Solids

WGK

nwg

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

分析证书

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原产地证书 (CofO)

请输入批号搜索原产地证书(COO)。

Tungsten fibre-reinforced composites for advanced plasma facing components
Neu R, et al.
Nuclear Materials and Energy, 12(1-2), 1308-1313 (2017)
Recrystallization of tungsten wire for fabrication of sharp and stable nanoprobe and field-emitter tips
Greiner M and Kruse P
The Review of Scientific Instruments, 78(2), 026104-026104 (2007)
Improving narrow bandgap a-SiGe: H alloys grown by hot-wire chemical vapor deposition
Xu Y, et al.
Thin Solid Films, 430(1-2), 197-201 (2003)
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
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

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