Quantifoil R3.5/1 Holey Carbon Films - Circular

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Molecular Weight 12.01 g/mol
Boiling point Sublimation; does not boil
Molecular Formula C
Storage Store in a dry environment, avoid contamination
Poisonous Yes
Other Names Carbon membrane
Solubility Insoluble in water and common solvents
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Quantifoil R3.5/1 Holey Carbon Films - Circular Product Specifications

Molecular Weight 12.01 g/mol
Usage TEM sample preparation, cryo-EM
Molecular Formula C
Boiling point Sublimation; does not boil
Standard Quantifoil manufacturing specifications
CAS No 7440-44-0
Storage Store in a dry environment, avoid contamination
Poisonous Yes
Other Names Carbon membrane
Solubility Insoluble in water and common solvents
Purity >99.9%
Application Electron microscopy grid support
Chemical Name Carbon
Structural Formula Graphitic/Amorphous sheet
Ph Level Neutral
Melting Point Sublimes at temperatures above 3500C
Shape Circular
Grade Research Grade
Classification Film material
Form Film
Smell Odorless
Main Material Carbon
Density 2.2 Gram per cubic centimeter(g/cm3)
Type Holey Carbon Film
HS Code 70179000

Hole to Hole Distance 1 m (center to center)
Foil Thickness Approximately 1215 nm
Packing Supplied pre-mounted on grids in grid box
Product Code R3.5/1
Surface Quality Uniform hole distribution, minimal contamination
Hole Diameter 3.5 m
Shelf Life Long-lasting with proper storage
Surface Area per Foil Dependent on grid size; designed for maximal coverage
Transparency High electron transparency at low acceleration voltages
Operating Temperature Stable from cryogenic to ambient conditions
Grid Size Circular, typically 3.05 mm (standard TEM grid size)
Support Film Carbon Film
Grid Compatibility Fits standard TEM grids (copper, gold, nickel, molybdenum)

Quantifoil R3.5/1 Holey Carbon Films - Circular Trade Information

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

Product Description

Quantifoil R3.5/1 Holey Carbon Films - Circular

Quantifoils, produced by semiconductor lithographic techniques, are 15 - 20nm thick perforated carbon films with precise, well defined hole sizes, shapes and arrays. Quantifoil support films provide a high percentage of open area in addition to minimising total specimen thickness. Object distortions arising from interactions with the support film are also reduced. They are particularly suited for cryo applications, tomography and low dose microscopy (LEEP).

Circular hole, size 3.5m dia, separation 1m, pitch 4.5m.

Quantifoil type: R3.5/1

Quantifoils are supplied as 10 grids in a grid box.

Precision for Electron Microscopy

Quantifoil R3.5/1 Holey Carbon Films deliver consistent hole distribution and high electron transparency, optimizing imaging quality for cryo-EM and TEM research. Their robust carbon membranes support sensitive samples, accommodating rigorous analytical requirements while minimizing background noise and sample drift.

Designed for Reliability and Versatility

Supplied pre-mounted on circular TEM grids and compatible with multiple grid metals, these films are trusted in both academic and industry laboratories. Their stable matrix ensures performance over a wide temperature range, while their resistance to water and solvents makes them easy to handle and store for extended periods without degradation.

FAQs of Quantifoil R3.5/1 Holey Carbon Films - Circular:

Q: How are Quantifoil R3.5/1 Holey Carbon Films applied in electron microscopy?

A: These films are used as supporting substrates for biological or material specimens during transmission electron microscopy (TEM) or cryo-electron microscopy (cryo-EM), aiding sample stability and minimizing background interference.

Q: What benefits do the uniform 3.5 m holes and 1 m spacing offer?

A: This precise grid pattern ensures even sample support and optimal electron transparency, reducing charging and improving the clarity and resolution of acquired images.

Q: When should Quantifoil R3.5/1 films be selected for sample preparation?

A: They are ideal for high-resolution TEM or cryo-EM projects whenever minimal contamination, uniform support, and consistent imaging conditions are required.

Q: Where can these circular carbon films be used?

A: They are suitable for any standard TEM grid slot in research, diagnostic, or educational facilities, as well as for various materials science applications.

Q: What is the process for mounting these carbon films on TEM grids?

A: The films are supplied pre-mounted on grids, eliminating manual mounting steps; users simply remove them from the grid box and proceed with specimen deposition.

Q: How does the carbon films high purity and stability benefit users?

A: Its >99.9% purity and resilience from cryogenic to ambient temperatures ensure sample integrity, prevent undesirable chemical reactions, and allow consistent results across challenging conditions.

Q: What are the storage recommendations for Quantifoil carbon films?

A: To maintain surface quality and longevity, store the grids in a dry environment, ensure the grid box is tightly closed, and avoid any contact with moisture or contaminants.

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