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Formes allotropiques

Formes allotropiques

Les formes allotropiques courantes se réfèrent aux différentes modifications structurelles d'un élément, où les atomes du même élément sont liés ensemble de manière distincte, résultant en des matériaux aux propriétés physiques et chimiques variées. Ces allotropes incluent des formes comme le diamant et le graphite pour le carbone, ou le phosphore rouge, blanc et noir. Chez CymitQuimica, nous offrons une gamme de formes allotropiques de haute qualité pour soutenir diverses applications de recherche et industrielles. Nos produits sont soigneusement sélectionnés et caractérisés pour garantir pureté et constance, répondant aux besoins des sciences des matériaux avancées, de la nanotechnologie et de la synthèse chimique. En fournissant des formes allotropiques fiables et bien définies, nous permettons aux chercheurs et aux professionnels de l'industrie d'explorer les propriétés uniques et les applications potentielles de ces matériaux fascinants, stimulant l'innovation et la découverte dans divers domaines scientifiques et technologiques.

Sous-catégories appartenant à la catégorie "Formes allotropiques"

Produits appartenant à la catégorie "Formes allotropiques"

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produits par page.69 produits dans cette catégorie.
  • Graphite rod, 6.15mm (0.242in) dia x 152mm (6in) long, 99.9995% (metals basis)


    It is used in various industries. Used in making. Anodes, Electrodes, Heating elements, Crucibles, Hot press dies, Welding plugs, Stirring rods, Lubrication sticks, Bushings & bearings.This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99.9995%
    Couleur et forme :Rod, 6.15mm (0.242in) diameter.

    Ref: 02-014738

    50pc
    À demander
  • Carbon powder, activated

    CAS :
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formule :C
    Couleur et forme :Black, Powder
    Masse moléculaire :12.01

    Ref: 02-033302

    100g
    42,00€
    500g
    99,00€
  • Graphite rod, 10.0mm (0.40in) dia, 99.997% (metals basis)


    Graphite rod is basically used for casting and polishing purposes, moulding & Carbon addition in steel industries. It is also used for smooth casting iron, copper base alloys and aluminum base alloy. It is mostly used for evaporating carbon onto specimens being prepared for either x-ray microanalysis (EDS or WDS) or transmission electron microscopy (TEM).This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99.997%

    Ref: 02-045077

    300mm
    À demander
  • Carbon Nanotube Multi-walled 20-40nm(diam.), 1-2µm(length)

    CAS :
    Degré de pureté :min. 95 %
    Couleur et forme :Black powder to crystal

    Ref: 3B-C2155

    1g
    100,00€
  • Activated charcoal, NORIT(R) SA 2, decolorizing

    CAS :
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formule :C
    Couleur et forme :Black, Powder
    Masse moléculaire :12.01
  • Graphite foil, 0.5mm (0.02in) thick, 99.8% (metals basis)

    CAS :
    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formule :C
    Degré de pureté :99.8%
    Couleur et forme :Dark grey to black
    Masse moléculaire :12.01

    Ref: 02-042953

    15x15cm
    À demander
    15x60cm
    À demander
    15x250cm
    À demander
  • Graphite rod, 3.8cm (1.5in) dia x 61cm (24in) long, 99% (metals basis)


    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99%

    Ref: 02-043800

    1pc
    À demander
    5pc
    À demander
  • Graphite powder, natural, briquetting grade, -100 mesh, 99.9995% (metals basis)


    Graphite powder is used to make crucibles, lead pencils, electrodes, lubricants, stove polish, brake linings, batteries, glass manufacture, conductive coatings, and for foundry facings. It is used in the synthesis of single sheet graphene nanoflakes and graphite based magnetorheological elastomers. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99.9995%

    Ref: 02-014735

    28g
    À demander
    113g
    À demander
    227g
    À demander
    454g
    À demander
  • Graphite plate, 1.27cm (0.5in) thick


    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

    Ref: 02-010132

    25x50cm
    À demander
    12.5x25cm
    À demander
  • Carbon Nanotube Single-walled (>85%) below 3nm(Average diam.), over 5µm(Average length)

    CAS :
    Degré de pureté :min. 85 %
    Couleur et forme :Black powder to crystal

    Ref: 3B-C3133

    200mg
    207,00€
  • Graphite rod, pyrolytic coated, 2mm (0.08in) dia x 152mm (6in) long


    Graphite rod, is suitable for making: Anodes, Electrodes, Heating elements, Crucibles, Molds & Ingots, Hot press dies, Gas nozzles, Lubrication sticks, Bushings & bearings.This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

    Ref: 02-043670

    1pc
    À demander
    5pc
    À demander
  • Graphite powder, natural, universal grade, -200 mesh, 99.9995% (metals basis)


    Used in aircraft manufacturing industries, defense material, automotive industries. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99.9995%

    Ref: 02-040799

    28g
    À demander
    113g
    À demander
    227g
    À demander
    454g
    À demander
  • Graphite rod, 5.0mm (0.20in) dia, 99.997% (metals basis)


    Graphite rod is basically used for casting and polishing purposes, moulding & Carbon addition in steel industries. It is also used for smooth casting iron, copper base alloys and aluminum base alloy. It is mostly used for evaporating carbon onto specimens being prepared for either x-ray microanalysis (EDS or WDS) or transmission electron microscopy (TEM).This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99.997%

    Ref: 02-045076

    300mm
    À demander
  • Carbon yarn, woven from 0.076mm (0.003in) dia fibers


    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Couleur et forme :Black, Yarn

    Ref: 02-039721

    5m
    À demander
    25m
    À demander
  • Graphite plate, highly oriented pyrolytic graphite (HOPG), 10x10x1mm (0.394x0.394x0.039in)


    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Couleur et forme :Graphite plate (HOPG), 10x10x1 mm, Black

    Ref: 02-043836

    1pc
    À demander
  • Activated charcoal, DARCO(R), 4-12 mesh, decolorizing

    CAS :
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formule :C
    Couleur et forme :Granules and/or chunks, Black
    Masse moléculaire :12.01
  • Carbon powder, activated, Norit GSX, steam activated, acid washed

    CAS :
    Decolorizing carbon. High purity grade with high internal surface area, suitable for decolorization, purification and catalyst carrier applications. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Formule :C
    Couleur et forme :Black, Powder
    Masse moléculaire :12.01

    Ref: 02-L11860

    2kg
    238,00€
    100g
    38,00€
    500g
    82,00€
  • Graphite plate, 2.5cm (1.0in) thick


    This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Couleur et forme :Plate, 2.5 cm thick

    Ref: 02-000882

    15x75cm
    À demander
  • Toray Carbon Paper, PTFE treated, TGP-H-60, 19x19cm


    Toray Carbon Paper, PTFE treated, TGP-H-60 is used as a gas diffusion layer in fuel cell applications. It is suitable for use as a catalyst backing layer. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Couleur et forme :0.20 +/- 0.05 mm thick (uncompressed), 19 x 19 cm ( +/-) 1.9 cm) solid sheet, Black

    Ref: 02-045365

    1ea
    À demander
  • Graphite rod, 3.05mm (0.12in) dia x 305mm (12in) long, 99.9995% (metals basis)


    Graphite rod is used in computer brushes, anodes, arc lamps, carbon coating, cathode ray tubes, and moderator in nuclear piles. It is used for high-temperature crucibles, as a lubricant and in lead pencils. Graphite rod coated with Th(IV), plays an useful application for ion selective electrode based on thorium oxinate complex. It is also essential for the preparation of lead(II)-selective PVC-coated graphite rod electrode. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Degré de pureté :99.9995%

    Ref: 02-040765

    25pc
    À demander
    100pc
    À demander