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262897

钽

Name: 钽
Brand: ALDRICH

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

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关于此项目

经验公式（希尔记法）:

化学文摘社编号:

7440-25-7

分子量:

180.95

NACRES:

NA.23

PubChem Substance ID:

24855933

UNSPSC Code:

12141741

EC Number:

231-135-5

MDL number:

MFCD00011252

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属性

vapor pressure

<0.01 mmHg ( 537.2 °C)

Quality Level

100

assay

≥99.9% trace metals basis

form

foil

autoignition temp.

572 °F

reaction suitability

core: tantalum

resistivity

13.5 μΩ-cm, 20°C

thickness

0.25 mm

bp

5425 °C (lit.)

mp

2996 °C (lit.)

density

16.69 g/cm³ (lit.)

SMILES string

[Ta]

InChI

1S/Ta

InChI key

GUVRBAGPIYLISA-UHFFFAOYSA-N

说明

General description

The structure of tantalum is body centered cubic (BCC) metal. It is a refractory metal; stable up to very high temperatures. Tantalum is ductile at room temperature and moderately ductile at cryogenic temperatures. Compton profile of highly pure thin elemental foil of tantalum was investigated using IGP type coaxial photon detector.1

Preparation Note

50x50 mm (approximately 10.4 g)
100x100 mm (approximately 41.6 g)

存储类别

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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全球贸易项目编号

货号	GTIN
262897-100CM2	04061833482124
262897-25CM2	04061833293331