50 Most Frequently Asked Questions on 2ml Chromatography Vials

How do you ensure the quality of 2ml Chromatography Vials?

To ensure the quality of 2ml chromatography vials, it's important to purchase them from reputable manufacturers and suppliers.

What is the difference between screw thread and crimp top 2ml Chromatography Vials?

Screw thread 2ml chromatography vials have a threaded cap that screws onto the vial while crimping top vials have a metal cap that is crimped onto the vial.

What is the difference between clear and amber 2ml Chromatography Vials?

Clear 2ml chromatography vials are transparent, while amber vials have a dark amber color that helps to protect light-sensitive samples.

How do you ensure the integrity of 2ml Chromatography Vials during shipping?

To ensure the integrity of 2ml chromatography vials during shipping, it's important to pack them carefully using appropriate packaging materials.

What is the recommended filling volume for 2ml Chromatography Vials?

The recommended filling volume for 2ml chromatography vials is usually around 1.5ml to 1.8ml to allow for proper sample mixing and analysis.

What is the difference between pre-slit and non-slit 2ml Chromatography Vials?

Pre-slit 2ml chromatography vials have a pre-cut septum that makes it easier to insert a syringe for sample injection, while non-slit vials require the septum to be punctured with a needle.

What is the recommended septum thickness for 2ml Chromatography Vials?

The recommended septum thickness for 2ml chromatography vials varies depending on the application but typically ranges from 0.1mm to 0.25mm.

What is the recommended septum material for 2ml Chromatography Vials?

The recommended septum material for 2ml chromatography vials is typically silicone, although other materials such as PTFE and rubber may be used in some applications.

What is the recommended needle gauge for 2ml Chromatography Vials?

The recommended needle gauge for 2ml chromatography vials varies depending on the application but typically ranges from 23 to 27 gauge.

What is the difference between the snap cap and crimp top 2ml Chromatography Vials?

Snap cap 2ml chromatography vials have a plastic cap that snaps onto the vial, while crimping top vials have a metal cap that is crimped onto the vial.

What is the recommended sample storage time for 2ml Chromatography Vials?

The recommended sample storage time for 2ml chromatography vials varies depending on the sample and the application.

What is the difference between flat and rounded bottom 2ml Chromatography Vials?

Flat bottom 2ml chromatography vials have a flat bottom, while rounded bottom vials have a rounded bottom that can help to improve sample mixing.

What is the difference between narrow and wide-mouth 2ml Chromatography Vials?

Narrow-mouth 2ml chromatography vials have a narrow opening, while wide-mouth vials have a wider opening that can make it easier to fill and empty the vial.

What is the recommended temperature range for 2ml Chromatography Vials?

The recommended temperature range for 2ml chromatography vials varies depending on the material and the application but typically ranges from -40°C to 150°C.

What is the difference between crimping and decrimping tools for 2ml Chromatography Vials?

Crimping tools are used to crimp metal caps onto crimp top 2ml chromatography vials, while decrimping tools are used to remove the crimped caps for sample retrieval.

What is the difference between 2ml Chromatography Vials with and without graduations?

2ml chromatography vials with graduations have volume markings on the vial that can help with sample measurement and dispensing, while vials without graduations do not have any markings.

What is the recommended vial material for low-temperature storage of samples in 2ml Chromatography Vials?

Polypropylene (PP) is a recommended vial material for low-temperature storage of samples in 2ml chromatography vials.

What is the recommended vial material for high-temperature applications in 2ml Chromatography Vials?

Borosilicate glass is a recommended vial material for high-temperature applications in 2ml chromatography vials.

What is the recommended vial material for acidic samples in 2ml Chromatography Vials?

Polypropylene (PP) is a recommended vial material for acidic samples in 2ml chromatography vials.

What is the recommended vial material for basic samples in 2ml Chromatography Vials?

Borosilicate glass is a recommended vial material for basic samples in 2ml chromatography vials.

What is the recommended vial material for organic solvents in 2ml Chromatography Vials?

Polypropylene (PP) is a recommended vial material for organic solvents in 2ml chromatography vials.

What is the recommended vial material for high-pressure applications in 2ml Chromatography Vials?

Borosilicate glass is a recommended vial material for high-pressure applications in 2ml chromatography vials.

What is the recommended vial material for protein analysis in 2ml Chromatography Vials?

Low adsorption glass or polypropylene (PP) is a recommended vial material for protein analysis in 2ml chromatography vials.

What is the recommended vial material for DNA analysis in 2ml Chromatography Vials?

Polypropylene (PP) is a recommended vial material for DNA analysis in 2ml chromatography vials.

What is the difference between 2ml Chromatography Vials with and without caps?

2ml chromatography vials without caps require separate purchase of caps, while vials with caps are sold with matching caps.

What is the difference between 2ml Chromatography Vials with pre-assembled caps and those sold separately?

2ml chromatography vials with pre-assembled caps are sold with matching caps already attached to the vials, while those sold separately require manual assembly of the cap onto the vial.

What is the recommended vial material for freeze-drying applications in 2ml Chromatography Vials?

Borosilicate glass is a recommended vial material for freeze-drying applications in 2ml chromatography vials.

What is the recommended vial material for heat-sensitive samples in 2ml Chromatography Vials?

Polypropylene (PP) is a recommended vial material for heat-sensitive samples in 2ml chromatography vials.

What is the recommended vial material for samples with high salt concentrations in 2ml Chromatography Vials?

Polypropylene (PP) is a recommended vial material for samples with high salt concentrations in 2ml chromatography vials

Can 2ml Chromatography Vials be used for gas chromatography applications?

Yes, 2ml chromatography vials can be used for gas chromatography applications. However, the appropriate vial material and cap liner should be selected based on the specific application and sample type.

Can 2ml Chromatography Vials be used for liquid chromatography applications?

Yes, 2ml chromatography vials can be used for liquid chromatography applications. However, the appropriate vial material and cap liner should be selected based on the specific application and sample type.

What is the recommended septum material for 2ml Chromatography Vials?

The recommended septum material for 2ml chromatography vials is a silicone/PTFE septum. This material is compatible with most solvents and samples and can provide good resealing properties after repeated injections.

Can 2ml Chromatography Vials be sterilized?

Yes, 2ml chromatography vials can be sterilized. However, the appropriate sterilization method should be selected based on the vial material and sample type.

Can 2ml Chromatography Vials be recycled?

Yes, 2ml chromatography vials can be recycled. However, the appropriate recycling method should be selected based on the vial material and local recycling regulations. It is recommended to clean and rinse the vials thoroughly before recycling to avoid contamination.


Chromatography vials are small, cylindrical containers made of glass or plastic, used to hold samples for analysis in chromatography experiments. They are commonly used in gas chromatography (GC) and liquid chromatography (LC) techniques. These vials come in different sizes, the 2ml size being the most commonly used.

Any More requirement about 2ml chromatography vials,please contact us.

Contact us now