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Merck

697745

Carbon coated magnetic, nanopowder, <50 nm particle size (TEM), ≥99%

别名:

碳包覆钴纳米粒子, 磁性钴, 钴-59, 钴元素

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500 MG

$257.00

$257.00


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关于此项目

经验公式(希尔记法):
Co
化学文摘社编号:
分子量:
58.93
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
MDL number:

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产品名称

钴, Carbon coated magnetic, nanopowder, <50 nm particle size (TEM), ≥99%

InChI

1S/Co

SMILES string

[Co]

InChI key

GUTLYIVDDKVIGB-UHFFFAOYSA-N

material

carbon

assay

≥99%

form

nanopowder

composition

Carbon content, <8 wt. %

magnetization

>150 emu/g, Mass saturation

resistivity

6.24 μΩ-cm, 20°C

surface area

>15 m2/g

particle size

<50 nm (TEM)

bp

2900 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

Quality Level

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此商品
GF21186985GF99449702GF39774617
Cobalt foil, 4mm disks, thickness 0.05mm, annealed, 99.9%

GF21186985

Cobalt

Cobalt foil, 50mm disks, thickness 0.125mm, annealed, 99.9%

GF99449702

Cobalt

Cobalt microfoil, disks, 10mm, thinness 0.5&#956;m, specific density 434&#956;g/cm2, permanent mylar 3.5&#956;m support, 99.9%

GF39774617

Cobalt

assay

≥99%

assay

99.90%

assay

≥99.9%

assay

99.9%

form

nanopowder

form

foil

form

foil

form

foil

Quality Level

100

Quality Level

-

Quality Level

-

Quality Level

-

density

8.9 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

bp

2900 °C (lit.)

bp

2900 °C (lit.)

bp

2900 °C (lit.)

bp

2900 °C (lit.)

material

carbon

material

-

material

-

material

-

Application

空气和热稳定的磁性碳包覆钴纳米颗粒(纳米磁铁)。 碳壳由大约三个石墨层组成,可通过重氮化反应等进行化学功能化。[1]

signalword

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Resp. Sens. 1 - Skin Sens. 1 - STOT RE 2

存储类别

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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Luechinger, N.A.; Booth, N.; Heness, G.; Bandyopadhyay, S.; Grass, R.N.; Stark W.J.
Advanced Materials, 20, 3044-3044 (2008)
Chun Ghee Tan et al.
Chemical communications (Cambridge, England), (36), 4297-4299 (2008-09-20)
To develop magnetic nanomaterials applicable to organic synthesis, the Suzuki cross-coupling method was adapted to attach a range of functional groups to carbon-coated core-shell materials via commercially-available substituted arylboronic acids.
Alexander Schätz et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 14(27), 8262-8266 (2008-07-31)
TEMPO was grafted on graphene-coated nanobeads with a magnetic cobalt core by using a general applicable "click"-chemistry protocol. The new heterogeneous CoNP-TEMPO emerged as a highly active catalyst for the chemoselective oxidation of primary and secondary alcohols using bleach as
Covalently functionalized cobalt nanoparticles as a platform for magnetic separations in organic synthesis.
Robert N Grass et al.
Angewandte Chemie (International ed. in English), 46(26), 4909-4912 (2007-05-23)
H John Cooper et al.
The Journal of bone and joint surgery. American volume, 95(10), 865-872 (2013-05-17)
Femoral stems with dual-taper modularity were introduced to allow additional options for hip-center restoration independent of femoral fixation in total hip arthroplasty. Despite the increasing availability and use of these femoral stems, concerns exist about potential complications arising from the

商品

Magnetic nanoparticles have attracted tremendous attention due to their novel properties and their potential applications in magnetic recording, magnetic energy storage and biomedicine.

Magnetic materials find diverse applications from data storage to renewable energy.

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