Carbon films on Nickel Grids

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Boiling point Nickel: 2732C (Carbon sublimes at >3600C)
Smell Odorless
Form Thin film on metal grid
Molecular Weight C: 12.01 g/mol; Ni: 58.69 g/mol
Melting Point Nickel grid: 1455C (Carbon film is thermally stable below this point)
Purity Nickel grid: 99.9%; Carbon purity >99%
Structural Formula Elemental carbon layer on elemental nickel grid
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Carbon films on Nickel Grids Product Specifications

Other Names Carbon-coated nickel grids
Molecular Formula C (Carbon); Ni (Nickel)
Ph Level Neutral
Application Transmission Electron Microscopy (TEM) sample preparation, support films for electron microscopy
Solubility Insoluble in water and most solvents
Main Material Carbon film on Nickel grid
EINECS No 231-096-4 (Nickel)
Usage Microstructure imaging, nano-material research, biological sample support
Classification Microscopy consumable
Poisonous Yes
Grade Analytical grade
Type TEM support film
Density 8.9 Gram per cubic centimeter(g/cm3)
Shape Round grid (typically 3.05 mm diameter)
HS Code 70179010
Chemical Name Carbon film on Nickel grid
Boiling point Nickel: 2732C (Carbon sublimes at >3600C)
CAS No 7440-02-0 (Nickel)
Smell Odorless
Standard Conforms to EM-grade quality standards
Form Thin film on metal grid
Molecular Weight C: 12.01 g/mol; Ni: 58.69 g/mol
Melting Point Nickel grid: 1455C (Carbon film is thermally stable below this point)
Purity Nickel grid: 99.9%; Carbon purity >99%
Structural Formula Elemental carbon layer on elemental nickel grid
Storage Store in dry, clean environment, avoid direct handling to prevent contamination

Carbon films on Nickel Grids Trade Information

Payment Terms Cheque, Telegraphic Transfer (T/T), Paypal, Cash in Advance (CID)
Main Domestic Market All India

Product Description

Carbon films on nickel grids are thin and highly transparent to electrons, offering fine grain and low contrast that does not interfere with specimen structure.

Supplied as packs of 25 or 50 grids in a grid box.

Carbon support films can be applied to other grid sizes, material or type. Further details available on request.

Precision Support for Electron Microscopy

Carbon films on nickel grids serve as reliable and analytically pure TEM support films, ensuring exceptional sample stability during high-resolution imaging. Their smooth edges enable precise handling, while the standard 3.05 mm diameter fits most microscopy holders. Suitable for both organic and inorganic specimens, they are widely used in research, diagnostic, and industrial applications.

Robust Structure and High Conductivity

Thanks to their composition of amorphous or pure carbon layered on a high-purity (99.9%) nickel grid, these grids exhibit outstanding mechanical strength and thermal conductivity. Their resilience under electron beams makes them ideal for repeated, long-duration imaging sessions typical in high-end research.

Versatile Applications and Effortless Handling

These grids can be rendered hydrophilic, allowing compatibility with delicate biological samples. Their inertness and insolubility in most solvents ensure sample integrity. With packaging designed for contaminant-free storage and a neutral pH, users can be confident in both grid longevity and performance.

FAQs of Carbon films on Nickel Grids:

Q: How are carbon films on nickel grids used in TEM sample preparation?

A: Carbon films on nickel grids act as support substrates for samples in Transmission Electron Microscopy. Specimens are deposited on the thin carbon film, which is then placed onto the nickel grid. The grid provides mechanical stability and high thermal conductivity during imaging, allowing clear, detailed visualization of the samples microstructure.

Q: What benefits do hydrophilic carbon films provide for biological applications?

A: Hydrophilic carbon films enable even spreading and effective adherence of aqueous biological samples, such as proteins or cellular components. Rendering the film hydrophilic improves specimen distribution and imaging quality, making these grids particularly useful in biological and biomedical research.

Q: When should I choose a 200, 300, or 400 mesh grid size?

A: The mesh size determines the grid hole size and support surface area. Finer meshes (e.g., 400 mesh) offer more support for smaller or fragile specimens, while coarser meshes (e.g., 200 mesh) provide larger open areas, suitable for larger samples or areas needing less support. The choice depends on the nature and size of your specimen and imaging requirements.

Q: Where should carbon films on nickel grids be stored for maximum shelf life?

A: They should be stored in clean, dry environments, using the provided anti-static, moisture-resistant boxes to prevent contamination and oxidation. Avoid direct handling of the carbon surface; use clean, non-metallic tweezers to ensure film integrity and minimize risk of allergic reactions to nickel.

Q: What is the process for preparing these grids for use with hydrophilic specimens?

A: To render carbon films hydrophilic, grids are typically glow-discharged before sample deposition. This process modifies the carbon surface, introducing polar groups that increase wettability, enabling efficient support of aqueous samples. This step enhances sample adherence and imaging outcomes for biological material.

Q: What are the main benefits of using carbon film on nickel grids over other support films?

A: Nickel grids offer superior mechanical stability and high thermal conductivity compared to copper, allowing for longer, more stable imaging sessions. The high purity carbon and nickel components reduce background noise and increase sample clarity, while compliance with EM-grade standards assures analytical reliability.

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