Formvar on 3mm 100 Mesh Au Grids (Pack of 25)

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Product Details:

Shape Round grid
Density 1.25 Gram per cubic centimeter(g/cm3)
Structural Formula Polyvinyl formal repeating units
Smell Odorless
Poisonous Yes
Molecular Weight Variable (Formvar: depends on polymerization)
Molecular Formula [C2H3O]n (Formvar film), Au (grid)
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Formvar on 3mm 100 Mesh Au Grids (Pack of 25) Product Specifications

Shape Round grid
Usage Sample mounting for transmission electron microscopy
Density 1.25 Gram per cubic centimeter(g/cm3)
Smell Odorless
Structural Formula Polyvinyl formal repeating units
Grade Electron microscopy grade
Molecular Weight Variable (Formvar: depends on polymerization)
Type 100 mesh gold grid with Formvar film
Poisonous Yes
Classification Support film on gold mesh grid
CAS No 63148-65-2 (Formvar film)
Molecular Formula [C2H3O]n (Formvar film), Au (grid)
Chemical Name Polyvinyl formal (embedded as Formvar)
Standard Electron microscopy consumable standard
Other Names Formvar-coated gold grids
Storage Store in cool, dry environment, avoid humidity
HS Code 81059010
Form Solid grid with thin polymer film
Purity Gold grids: 99.9% Au; Formvar: high purity
Ph Level Neutral
Main Material Formvar (polyvinyl formal) on Gold (Au) grid
Application TEM support film, electron microscopy, particle support
Melting Point No clear melting point (thermoplastic polymer, softens 150-200C)
Solubility Insoluble in water, soluble in aromatic and chlorinated hydrocarbons
Boiling point Not applicable (polymer)

Resistivity High for polymer film, low for gold grid
Pack Size 25 grids per pack
Grid Diameter 3 mm
Handling Notes Handle with antistatic tweezers, avoid touching film
Colour Golden grid, transparent to slightly opaque film
Surface Treatment Cleaned and ready-to-use
Film Thickness Typically ~1030 nm (Formvar)
Grid Mesh Size 100 mesh
Film Support Formvar continuous film on grid
Packaged Weight Very light, typically several grams per pack
Place of Origin Laboratory consumable, global suppliers
Shelf Life Stable under recommended storage conditions
Compatibility Suitable for biological and material science TEM specimens
Optical Transparency Film is electron-transparent
Grid Material High purity gold

Formvar on 3mm 100 Mesh Au Grids (Pack of 25) Trade Information

Main Export Market(s) Australia, North America, South America, Eastern Europe, Western Europe, Middle East, Africa, Central America, Asia
Main Domestic Market All India

Product Description

Formvar coated grids without a carbon layer are suitable for TEM applications up to 100kV. The films are available on grids made of copper, nickel or gold.

Supplied as 25 grids in a grid box.

Gold

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

High-Purity Gold Grids for Electron Microscopy

These 3mm diameter grids are constructed from gold of 99.9% purity, ensuring minimum artifacts and maximal chemical stability for sensitive specimens. Their 100 mesh structure offers ample support for thin section samples in TEM, making them ideal for biological and material science research.

Formvar Film: Optimal Transparency and Support

The Formvar support film, at 1030 nm thickness, delivers an electron-transparent layer for optimal imaging quality. Its continuous coverage ensures consistent sample support while remaining nearly invisible under electron beams. Formvars durability and chemical inertness enhance usability and sample integrity.

Ready-to-Use for Laboratory Convenience

Supplied cleaned, these grids are delivered ready for immediate mounting in TEM sample holders. Packaging in packs of 25 makes them practical for routine laboratory workflows, minimizing preparation times and ensuring reproducible results. Storage is simple: keep the pack in a cool, dry environment away from humidity.

FAQs of Formvar on 3mm 100 Mesh Au Grids (Pack of 25):

Q: How should I handle Formvar-coated 3mm 100 Mesh Au Grids to avoid damage?

A: Always use antistatic tweezers when handling these grids. Avoid any direct contact with the Formvar film to prevent tearing or contamination, and handle in a clean environment to maintain sample integrity.

Q: What are the main advantages of using high-purity gold grids with Formvar film for TEM?

A: The 99.9% pure gold grids provide exceptional mechanical and chemical stability, while the Formvar film offers electron transparency and reliable support for specimens. This combination minimizes background noise and maximizes image quality in TEM studies.

Q: When and for which applications are these grids most suitable?

A: These grids are ideal for routine sample mounting in transmission electron microscopy, particularly for biological and materials science specimens. Their electron microscopy grade quality ensures compatibility with most research and diagnostic applications.

Q: Where are these Formvar-coated gold grids commonly supplied and used?

A: They are globally distributed laboratory consumables, used by researchers, manufacturers, and dealers in the United Kingdom and worldwide for TEM sample mounting and electron imaging.

Q: What is the process for preparing specimens on these grids?

A: Mount your sample on the Formvar film using recommended TEM preparation protocols, ensuring minimal exposure to solvents that may dissolve the Formvar. The grid is immediately ready for sample deposition, streamlining workflow.

Q: How does storing these grids in the correct environment benefit their shelf life and usability?

A: Storing the pack in a cool, dry location away from humidity preserves the Formvar films structural integrity and keeps gold surfaces free of contaminants, ensuring consistent performance over extended periods.

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