Formvar on 3mm 300 Mesh Ni Grids (Pack of 25)

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Product Details:

Refractive Rate nD20 1.48 (Formvar film)
Structural Formula -[-CH2-CHOH-]n- (repeating unit for polyvinyl alcohol, precursor)
Purity High purity Formvar film for EM applications
Molecular Formula (C2H4O)x (Formvar)
Poisonous Yes
HS Code 39219096
Form Solid film on mesh grid
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Formvar on 3mm 300 Mesh Ni Grids (Pack of 25) Product Specifications

Solubility Insoluble in water; soluble in esters, ketones, benzene
Molecular Weight Variable (polymer)
CAS No 9002-89-5 (Polyvinyl alcohol, precursor)
Type 300 Mesh Nickel Grid with Formvar Support
Density 1.2 Gram per cubic centimeter(g/cm3)
Shape Round grid, 3mm diameter
Storage Store at room temperature in a dry environment
Melting Point Approximately 150°C (Formvar film)
Ph Level Neutral
Other Names Polyvinyl formal grid film, Nickel TEM grid
HS Code 39219096
Form Solid film on mesh grid
Smell Odorless
Purity High purity Formvar film for EM applications
Molecular Formula (C2H4O)x (Formvar)
Poisonous Yes
Chemical Name Polyvinyl formal (Formvar)
Application Used for supporting specimens in transmission electron microscopy (TEM)
Structural Formula -[-CH2-CHOH-]n- (repeating unit for polyvinyl alcohol, precursor)
Standard Meets EM grid preparation standards
Main Material Nickel grid with Formvar film
Refractive Rate nD20 1.48 (Formvar film)
Usage Scientific research, microscopy sample preparation
Classification Support Film
EINECS No 500-007-9 (Polyvinyl formal)
Grade Laboratory grade

Pack Size 25 grids per pack
Film Thickness Approximately 10-30 nm
Mesh Size 300 mesh
Grid Size 3 mm diameter
Handling Use clean antistatic forceps to handle grids
Film Type Formvar support film
Compatibility Suitable for biological and materials TEM
Shelf Life 2 years unopened
Material of Grid Nickel
Surface finish Smooth, clean, and ready-to-use

Formvar on 3mm 300 Mesh Ni 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.

Nickel

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

Superior Support for TEM Specimens

The combination of nickel grids with Formvar support film ensures optimal stability and minimal background interference for delicate TEM specimens. The smooth, clean surface is engineered for high-resolution imaging of biological or material samples, enabling researchers to obtain clear, detailed micrographs.

Ready-to-Use with Lasting Quality

Each grid is supplied pre-coated and ready for immediate application in your microscopy workflow. The Formvar film offers a neutral pH, high purity, and is non-poisonous, making it ideal for laboratory environments. Store unopened packs at room temperature in a dry setting for up to two years without compromising grid quality.

FAQs of Formvar on 3mm 300 Mesh Ni Grids (Pack of 25):

Q: How should I handle Formvar on 3mm 300 Mesh Ni Grids during sample preparation?

A: It is recommended to use clean, antistatic forceps to handle the grids to prevent contamination or damage. Avoid direct contact with fingers, and always work in a clean environment to preserve the integrity of both the Formvar film and the sample.

Q: What are the benefits of using Formvar support film on nickel grids for TEM applications?

A: Formvar coated nickel grids provide smooth, high purity specimen support with minimal background signal. The durable Formvar film ensures stable specimen placement, improving image clarity and compatibility for both biological and materials microscopy studies.

Q: When should I use these grids for my electron microscopy work?

A: These grids are ideal whenever high-contrast, artifact-free support is required for TEM sample preparation, especially in scientific research and laboratory analyses involving biological or material specimens.

Q: Where are these grids commonly utilized in scientific applications?

A: Formvar on nickel grids are typically used in research laboratories, universities, and industrial facilities, primarily in the United Kingdom and internationally, wherever transmission electron microscopy sample preparation is required.

Q: What steps are involved in preparing specimens on these grids for TEM analysis?

A: Begin by selecting a clean grid using antistatic forceps and applying your specimen to the Formvar film. Allow the sample to adequately adhere, and proceed with staining or additional preparation as needed for TEM imaging.

Q: Can the Formvar film withstand heat and chemical reagents during sample processing?

A: Yes, Formvar film remains stable up to approximately 150C and is insoluble in water but soluble in esters, ketones, and benzene, which should be considered when designing your staining or washing protocols.

Q: What advantages does purchasing a pack of 25 grids offer dealers or researchers?

A: A pack of 25 grids provides convenience and cost efficiency, ensuring a sufficient supply for multiple experiments while maintaining consistent laboratory-grade quality for every analysis.

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