Formvar on 3mm 75 Mesh Ni Grids (Pack of 25)

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Other Names Formvar-coated Nickel TEM Grids
HS Code 38249090 (Laboratory consumables)
Molecular Weight Formvar polymer: variable depending on degree of polymerization.
Storage Store in a dry, dust-free environment; avoid direct sunlight and humidity.
Boiling point Not applicable (Formvar decomposes before boiling).
Smell Odorless
Ph Level Neutral
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Formvar on 3mm 75 Mesh Ni Grids (Pack of 25) Product Specifications

CAS No Formvar: 24936-68-3; Nickel: 7440-02-0
Molecular Formula (C2H2O)n for Formvar
Form Grid with coated film
Usage Used for mounting ultrathin sections and particles for electron microscopy analysis.
Density 8.90 Gram per cubic centimeter(g/cm3)
Chemical Name Polyvinyl formal (for Formvar), Nickel (for grid).
Shape Circular grid
Purity Formvar film is highly pure for microscopy use; Nickel grid: 99.9%.
Poisonous Yes
Type 75 Mesh Nickel Grids coated with Formvar
Grade Laboratory Grade
Molecular Weight Formvar polymer: variable depending on degree of polymerization.
HS Code 38249090 (Laboratory consumables)
Other Names Formvar-coated Nickel TEM Grids
Standard Conforms to microscopy preparation standards.
Melting Point 210-220C (approx.)
Main Material Ni (Nickel) grid with Formvar (polyvinyl formal) coating.
Application Support film for transmission electron microscopy (TEM) sample preparation.
Solubility Insoluble in water; soluble in organic solvents such as chloroform and dichloroethane.
EINECS No Not applicable for composed articles.
Classification Laboratory consumable/support
Smell Odorless
Boiling point Not applicable (Formvar decomposes before boiling).
Ph Level Neutral
Structural Formula Polyaldehyde (CH2CH(O))n
Storage Store in a dry, dust-free environment; avoid direct sunlight and humidity.

Grid Diameter 3 mm
Surface Finish Smooth; designed for electron microscopy clarity
Shelf Life Stable under recommended storage conditions; indefinite if undamaged.
Coating Type Formvar thin support film on Nickel grids
Grid Mesh Size 75 mesh (hexagonal grid openings)
Film Thickness Typically 10-30 nm (can vary)
Packaging Anti-static grid box, dust-proof protection
Color Grid: metallic silver; film: transparent or slightly translucent
Handling Precautions Handle with clean tweezers to avoid contamination and damage. Avoid excessive force to prevent film tearing.
Particle Retention Optimal for ultrathin samples, particles, and biological sections
Pack Quantity 25 grids per pack
Compatibility Suitable for most TEM holders

Formvar on 3mm 75 Mesh Ni Grids (Pack of 25) Trade Information

Payment Terms Cheque, Telegraphic Transfer (T/T), Paypal, Cash in Advance (CID)
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.

Nickel

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

Exceptional Clarity and Particle Retention

The Formvar-coated nickel grids are engineered to deliver superior clarity for TEM applications. The transparent Formvar film provides a smooth support surface, facilitating the retention of ultrathin samples, particles, and biological sections. The grids hexagonal mesh openings allow precise sample mounting and minimal obstruction during imaging, making them an indispensable tool for laboratory analysis.

Optimized for Laboratory and Research Use

Manufactured to laboratory-grade standards, these grids are compatible with most transmission electron microscope holders. Their nickel composition ensures stability and resistance, while the Formvar film serves as a non-toxic, reliable substrate. Suitable for research institutions, universities, and industrial laboratories, these grids are ideal for sample preparation and analysis in electron microscopy studies.

FAQs of Formvar on 3mm 75 Mesh Ni Grids (Pack of 25):

Q: How should I handle Formvar-coated 3mm 75 Mesh Nickel TEM grids to prevent damage or contamination?

A: Ensure to use clean, fine tweezers while handling the grids. Avoid applying excessive force to prevent tearing the Formvar film and maintain sample integrity. Always handle the grids in a clean environment to minimize the risk of contamination.

Q: What is the typical thickness of the Formvar support film, and does it affect electron microscopy analysis?

A: The Formvar support film on these nickel grids is typically 1030 nm thick. This ultrathin film enhances electron transparency, allowing for high-resolution imaging and effective sample retention in TEM analysis.

Q: When and where are these grids used in electron microscopy laboratories?

A: These grids are primarily used during TEM sample preparation, especially for mounting ultrathin sections or particulate samples. They are suitable in any laboratory engaged in electron microscopy, including research institutes, pharmaceutical labs, and universities.

Q: What benefits do Formvar-coated nickel grids provide over uncoated grids?

A: The Formvar coating offers smoother surface finish, improved particle retention, and enhanced clarity during TEM imaging. It also provides chemical stability and is non-toxic under standard laboratory use, making it suitable for sensitive biological and materials research.

Q: How long can these grids be stored, and what conditions are recommended for optimal shelf life?

A: These grids are stable for indefinite periods when stored in a dry, dust-free environment, away from humidity and direct sunlight. Their packaginga dust-proof, anti-static grid boxalso helps preserve integrity and prevent damage or contamination.

Q: What types of samples can be mounted on these Formvar-coated TEM grids?

A: You can mount ultrathin sections, biological specimens, nanoparticles, or other particulate samples onto these grids. Their design supports diverse sample types while delivering clear and reliable results in transmission electron microscopy workflows.

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