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Formvar/Carbon on 2mm x 1mm Nickel Slot (Pack of 50)

Formvar/Carbon on 2mm x 1mm Nickel Slot (Pack of 50)

Product Details:

  • Molecular Weight Variable (polymer); Nickel: 58.69 g/mol; Carbon: 12.01 g/mol
  • Melting Point Formvar ~175C; Nickel ~1455C
  • Storage Store in a dry, dust-free container at room temperature
  • Other Names Polyvinyl formal/Nickel Slot Grid/EM Support Film
  • Shape Rectangular slot grid (2mm x 1mm)
  • Refractive Rate Not specified for films
  • Taste Odorless and tasteless (not intended for ingestion)
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Formvar/Carbon on 2mm x 1mm Nickel Slot (Pack of 50) Product Specifications

  • 1.25 Gram per cubic centimeter(g/cm3)
  • Insoluble in water; soluble in organic solvents (Formvar only)
  • (CH2CHOCH2O)n (Formvar); Ni; C
  • Formvar: 9002-89-5; Nickel: 7440-02-0; Carbon: 7440-44-0
  • EM grade (electron microscopy)
  • Formvar decomposes before boiling; Nickel: 2732C
  • (C4H6O2)n for Formvar; Ni for Nickel; C for Carbon
  • Yes
  • 7017.90
  • High purity, low contamination
  • Meets EM laboratory grade standards
  • Nickel slot grid with coated thin Formvar/carbon film
  • Support film for electron microscopy, especially for specimen grids
  • Laboratory material/Electron Microscopy Support
  • Odorless
  • Slot grid with Formvar/Carbon film
  • Variable (polymer); Nickel: 58.69 g/mol; Carbon: 12.01 g/mol
  • TEM sample support, electron microscopy specimen preparation
  • Formvar: polyvinyl formal; Nickel; Carbon
  • Formvar ~175C; Nickel ~1455C
  • Store in a dry, dust-free container at room temperature
  • Rectangular slot grid (2mm x 1mm)
  • Polyvinyl formal/Nickel Slot Grid/EM Support Film
  • Not specified for films
  • Odorless and tasteless (not intended for ingestion)
  • Formvar (polyvinyl formal), Carbon coating on Nickel Slot grid

Formvar/Carbon on 2mm x 1mm Nickel Slot (Pack of 50) Trade Information

  • Australia, North America, South America, Eastern Europe, Western Europe, Middle East, Central America, Asia, Africa
  • All India

Product Description

These thin cast films of Formvar have been strengthened with the addition of a layer of evaporated carbon on nickel grids. The composite films have extra resilience and strength compared with carbon films. They are recommended for use where the grid has to undergo several processing steps during specimen preparation.

Supplied as 25 or 50 grids in a grid box.

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



Superior Support for Electron Microscopy

These Formvar/Carbon-coated nickel slot grids are engineered for high-quality specimen support in transmission electron microscopy (TEM). The ultra-thin films deliver low background and exceptional electron transparency, facilitating clear imaging of biological or material science specimens. Their robust nickel construction ensures durability and precise handling during routine or advanced TEM workflows.


Optimal Film Quality and Compatibility

Each grid is meticulously coated with 1030 nm Formvar and 210 nm carbon, resulting in a smooth, even surface. The 2mm x 1mm rectangular slot opening is ideal for larger samples or where mesh-free support is preferred. The grids are compatible with most standard TEM instruments and meet EM laboratory grade standards, ideal for research and diagnostics.


Safe Handling and Reliable Storage

Proper handling with antistatic tweezers is essential to avoid contamination or film damage. The slots remain stable for several years when stored in a dry, dust-free environment at room temperature. Their chemical resistance ensures the films remain intact during standard laboratory workflows, providing reliable sample support for repeated TEM use.

FAQs of Formvar/Carbon on 2mm x 1mm Nickel Slot (Pack of 50):


Q: How should the Formvar/Carbon on Nickel Slot grids be handled for best results?

A: To maintain film integrity, handle the grids only with antistatic tweezers and avoid direct contact. Work in a clean, dust-free space to prevent contamination or physical damage to the ultra-thin films.

Q: What primary applications are these slot grids designed for?

A: These grids are primarily intended as support films for transmission electron microscopy (TEM), allowing for the reliable preparation and imaging of biological, polymer, or material science specimens.

Q: When is it most beneficial to use slot grids instead of mesh grids?

A: Slot grids are particularly advantageous when working with elongated or larger specimens that require uninterrupted support and imaging, as the single opening offers greater sample visibility without mesh interference.

Q: Where should I store these grids to ensure long-term stability?

A: For optimal shelf life, keep the grids in a dry, dust-free container at room temperature. Proper storage ensures film and grid stability for several years.

Q: What are the compatibility features of these slot grids with electron microscopes?

A: The grids size and EM-grade coating are designed to be universally compatible with most standard transmission electron microscopes (TEM), providing efficient support across diverse systems.

Q: How can I remove Formvar if needed during specimen preparation?

A: Formvar is soluble in certain organic solvents (such as chloroform or ethyl acetate) but insoluble in water. Carbon film may remain after Formvar removal, depending on the protocol used.

Q: What benefits does the smooth, electron transparent film provide during TEM imaging?

A: The ultra-thin Formvar/Carbon film offers minimal background and high electron transparency, enhancing contrast and reducing artifacts for clearer, more accurate observations of samples.

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