
Formas alotrópicas
As formas alotrópicas comuns referem-se às diferentes modificações estruturais de um elemento, onde átomos do mesmo elemento estão ligados de maneiras distintas, resultando em materiais com propriedades físicas e químicas variadas. Esses alótropos incluem formas como diamante e grafite para o carbono, ou fósforo vermelho, branco e negro. Na CymitQuimica, oferecemos uma variedade de formas alotrópicas de alta qualidade para apoiar diversas aplicações de pesquisa e industriais. Nossos produtos são cuidadosamente selecionados e caracterizados para garantir pureza e consistência, atendendo às necessidades de ciência de materiais avançada, nanotecnologia e síntese química. Ao fornecer formas alotrópicas confiáveis e bem definidas, capacitamos pesquisadores e profissionais da indústria a explorar as propriedades únicas e as potenciais aplicações desses materiais fascinantes, impulsionando a inovação e a descoberta em vários domínios científicos e tecnológicos.
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Graphite powder, nickel coated, -100 mesh, Ni 99.8% (metals basis)
Conductive surface coatings, inks, adhesives, and sealants 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.Pureza:99.8%Cor e Forma:Powder, -100 meshGraphite flake, median 7-10 micron, 99%
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.Fórmula:CPureza:99%Peso molecular:12.01Graphite powder, synthetic, conducting grade, -325 mesh, 99.9995% (metals basis)
Graphite powder is basically used for casting polishing purposes and molding. Natural graphite is mostly used for refractories, batteries, steel making, expanded graphite, brake linings, foundry facings and lubricants. It is also used in pigments, anodes arc-lamp carbons, coating cathode ray tubes and moderator in nuclear piles. Graphite (carbon) fiber and carbon nanotubes are also used in carbon fiber reinforced plastics. 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.Pureza:99.9995%Toray Carbon Paper, TGP-H-60, 19x19cm
CAS:Toray Carbon Paper, 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.Fórmula:CCor e Forma:Black, 0.20 +/- 0.05 mm thick, 19 x 19 cm ( +/- 1.9 cm) solid sheetPeso molecular:12.01Carbon Nanotube Multi-walled 60-100nm(diam.), >5µm(length)
CAS:Pureza:min. 95 %Cor e Forma:Black powder to crystalGraphite powder, synthetic, -20+100 mesh, 99% C, 0.2% max Ash
Graphite powder is basically used for casting, polishing purposes and molding. It is also used in pigments, anodes arc-lamp carbons, coating cathode ray tubes and moderator in nuclear piles. It is used in the preparation of single sheet graphene nanoflakes and graphite based magneto rheological elastomers. It is also employed as a free standing film like cantilever sensor in piezoelectric device and additionally used as a catalyst for wet peroxide oxidation. 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.Pureza:0.2%Graphite foil, 1mm (0.04in) thick, 97% (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.Pureza:97%Cor e Forma:Dark grey to blackCarbon Nanotube Multi-walled 10-20nm(diam.), 5-15µm(length)
CAS:Pureza:min. 97 %Cor e Forma:Black powder to crystalGraphite conductive adhesive, alcohol based
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.Cor e Forma:Dark gray to black, Gel-pasteGraphite powder, natural, high purity, -200 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.Suitable for battery materials development.Pureza:99.9995%Cor e Forma:Black, PowderGraphite foil, 0.254mm (0.01in) thick, 99.8% (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.Pureza:99.8%Cor e Forma:Foil, 0.254 mm (0.01 in.) thickActivated charcoal, NORIT(R) SA 2
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.Fórmula:CCor e Forma:Black, PowderPeso molecular:12.01Graphite rod, 1.27cm (0.5in) 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.Pureza:99%Activated charcoal, NORIT(R) GAC 1240, 12-40 mesh
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.Fórmula:CCor e Forma:Black, Granular solidPeso molecular:12.01Graphite rod, 6.15mm (0.242in) dia x 152mm (6in) 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.Pureza:99.9995%Graphite rod, 6.15mm (0.242in) dia x 305mm (12in) long, 99.9995% (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.Pureza:99.9995%Graphite rod, 5cm (2.0in) 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.Pureza:99%Carbon, activated, Norit ROW 0.8mm pellets, steam activated
CAS:Carbon, activated, Norit ROW 0.8mm pellets, steam activated is suitable for decolorization, deodorization and purification applications. It is mainly used for gas phase applications such as automotive emission control due to their low pressure drop, high mechanical strength and low dust content. It has high removal efficiency for removing degradation byproducts for drinking water. It also removes foaming causing impurities for the purification of amine and glycol process streams. 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.Fórmula:CCor e Forma:granules, BlackPeso molecular:12.01Graphite flake, natural, -10 mesh, 99.9% (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.Fórmula:CPureza:99.9%Peso molecular:12.01