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Sigma-Aldrich

Carbon

glassy, spherical powder, 2-12 μm, 99.95% trace metals basis

Sinónimos:

Carbon

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10 G
MXP 2,247.00
50 G
MXP 8,991.00

MXP 2,247.00


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10 G
MXP 2,247.00
50 G
MXP 8,991.00

About This Item

Fórmula empírica (notación de Hill):
C
Número de CAS:
Peso molecular:
12.01
Número CE:
Número MDL:
Código UNSPSC:
11101522
ID de la sustancia en PubChem:
NACRES:
NA.23

MXP 2,247.00


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Ensayo

99.95% trace metals basis

Formulario

glassy, spherical powder

mol peso

Mw 12.011 g/mol

composición

C

tamaño de partícula

2-12 μm

densidad

1.8-2.1 g/cm3

aplicaciones

battery manufacturing

cadena SMILES

[C]

InChI

1S/C

Clave InChI

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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Descripción general

Glassy carbon shows only short range order in its structure. Photoacoustic doppler effect from the suspension of spherical carbon particles was investigated.[1] Glassy carbon exhibits a specific conductivity of 700Scm-1. 4

Aplicación

Amorphous carbon may be used to develop zero temperature coefficient of resistance (TCR) based systems. [2] Glassy carbon has been used as a catalyst support for bimetallic Rh–ReOx. [3] It may be used to enhance the accuracy of infrared (IR) surface temperature measurements on micro-electro-mechanical systems (MEMS). [4]

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Certificados de análisis (COA)

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Questions

1–3 of 3 Questions  
  1. 비표면적(BET)가 얼마정도 되나요?

    1 answer
    1. The surface area for this product is not determined on a lot to lot basis. However, historical data indicates a surface area range of 1-2 m²/g. Please see below for additional physical properties of this material.
      Maximum service temperature (inert gas): 3000 °C
      Electrical resistance: 45 x 10-4 ?·cm
      Open porosity: 0 %
      Permeability coefficient:10-9 cm2/s
      Vickers hardness: HV1 230
      Coefficient of thermal expansion (20-200°C): 2.6 x 10-6 1/K
      Thermal conductivity: 6.3 W/(K x m)

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Helpful?

  3. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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