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Merck

267554

Sigma-Aldrich

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

别名:

宽度

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About This Item

经验公式(希尔记法):
W
CAS号:
分子量:
183.84
EC號碼:
MDL號碼:
分類程式碼代碼:
12141747
PubChem物質ID:
NACRES:
NA.23

化驗

≥99.9% trace metals basis

形狀

wire

電阻係數

4.9 μΩ-cm, 20°C

直徑

0.25 mm

bp

5660 °C (lit.)

mp

3410 °C (lit.)

密度

19.3 g/mL at 25 °C (lit.)

SMILES 字串

[W]

InChI

1S/W

InChI 密鑰

WFKWXMTUELFFGS-UHFFFAOYSA-N

應用

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。

數量

9.5g = 10m;95g = 100m

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


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