Carbon films on Gold Grids

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Structural Formula Au (face-centered cubic), C (amorphous film)
Form Solid
Storage Store at ambient temperature, avoid moisture and contamination
Molecular Formula Au (Gold grid), C (carbon film)
Poisonous Yes
Purity Gold grid 99.95%, carbon film high-purity amorphous
Ph Level Neutral
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Carbon films on Gold Grids Product Specifications

Type Microscopy grid with carbon film
HS Code 71152900
Melting Point Gold grids ~1064C; Carbon film decomposes
Chemical Name Gold (Au) grid with carbon film
Shape Circular mesh grid
Application TEM support grids for electron microscopy, specimen support
Smell Odorless
Solubility Insoluble in water and common solvents
Other Names Carbon-coated Gold Grids, TEM Carbon Grid
Boiling point N/A (Gold sublimes at >2500C; Carbon film decomposes)
Density 19.3 Gram per cubic centimeter(g/cm3)
Molecular Weight Au: 196.97 g/mol, C: 12.01 g/mol
CAS No 7440-57-5 (Gold), 7782-42-5 (Graphite, as C)
Standard Conforms to TEM specimen preparation standards
Main Material Gold grid, amorphous carbon film
Poisonous Yes
Molecular Formula Au (Gold grid), C (carbon film)
Form Solid
Storage Store at ambient temperature, avoid moisture and contamination
Usage Microscopy research, sample preparation
Structural Formula Au (face-centered cubic), C (amorphous film)
Classification Scientific Laboratory Supply
Grade Analytical/Research Grade
Ph Level Neutral
Purity Gold grid 99.95%, carbon film high-purity amorphous

Manufacturing Method Vacuum evaporation or floatation
Surface Finish Ultra-smooth carbon coating
Temperature Stability Up to 300C (for short durations)
Film Uniformity Excellent, for high-resolution imaging
Shelf Life Up to 2 years under appropriate storage
Electrical Conductivity High conductivity
Compatibility Compatible with biological and non-biological sample mounting
Grid Material Purity >99.99% Gold
Grid Mesh Size Usually 200, 300, or 400 mesh available
Carbon Film Thickness 3-20 nm (customizable)
Grid Diameter Typically 3.05 mm

Carbon films on Gold Grids Trade Information

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

Product Description

Carbon films on gold 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.

Superior Material Purity and Structure

Crafted from gold with a purity of 99.99% and high-quality amorphous carbon, these grids ensure minimal contamination. The circular mesh structure maintains sample integrity during analysis, meeting strict TEM specimen preparation standards. This purity and structural precision improve reliability for scientific investigations.

Optimal Performance for Electron Microscopy

The high electrical conductivity and ultra-smooth carbon coating provide a stable, uniform support surface for samples. This strengthens high-resolution imaging and enhances signal-to-noise ratios, critical for detailed research in both biological and material sciences.

Customizable and Versatile Applications

Carbon films on gold grids accommodate various mesh sizes and film thicknesses to suit experimental requirements. Suitable for mounting a broad spectrum of samples, they adapt efficiently to different types of microscopy research, offering broad compatibility with both organic and inorganic specimens.

FAQs of Carbon films on Gold Grids:

Q: How are carbon films on gold grids manufactured?

A: These grids are produced using vacuum evaporation or floatation techniques, depositing ultra-smooth, high-purity amorphous carbon onto >99.99% gold grids. This process ensures film uniformity and strong adhesion, meeting the demands of analytical and research-grade TEM specimen preparation.

Q: What are the typical uses and benefits of gold grids with carbon film in microscopy?

A: Gold grids with carbon film are predominantly used as support films in transmission electron microscopy (TEM) for high-resolution imaging. Their stability, conductivity, and non-reactivity make them ideal for mounting both biological and inorganic samples, improving image quality and reducing background signal.

Q: When should I select a 200, 300, or 400 mesh size for my application?

A: The choice of mesh size depends on the specimens size and the level of support required. Lower mesh numbers (like 200) offer larger openings for bigger specimens, while higher mesh sizes (300, 400) provide finer support for smaller or more delicate samples, catering to varying microscopy research needs.

Q: Where are these carbon-coated gold grids commonly used?

A: These grids are employed in research laboratories, universities, and analytical facilities focusing on materials science, life sciences, and nanotechnology, primarily in the United Kingdom and globally, wherever precise electron microscopy specimen support is needed.

Q: What storage conditions are recommended for maintaining grid quality?

A: Store the grids at ambient temperature, avoiding exposure to moisture and contaminants. Proper storage extends shelf life up to two years and preserves the ultra-smooth carbon films properties, ensuring reliable performance in microscopy studies.

Q: How does the carbon film thickness affect microscopy results?

A: The customizable carbon film thickness (320 nm) allows users to balance durability and electron transparency. Thinner films provide better clarity for high-resolution imaging, while thicker films may be selected for increased mechanical support, depending on sample and experimental demands.

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