ChemScience Inc

Shop Products Icon

Shop Products
  2. All Products
  3. Caps and Closures
  4. Caps and Septa for Chromatography Vials
Caps and Septa for Chromatography Vials

Caps and Septa for Chromatography Vials

When separating organic and inorganic compounds for analysis, vial closures protect compound mixtures from contamination. The caps feature completely different finishes and septa materials for gas or high performance liquid chromatography applications. Maintain a clean and safe using exploitation the spill-free activity vial closures are offered in varied sizes and designs to be compatible with autosampler operation. Identification errors created once operating with unlabeled  bottles are eliminated by the various color cap choices.

Products
1 Screw Thread Caps and Septa for Chromatography Vials

Screw Thread Caps and Septa for Chromatography Vials
Ready for use combination seals. No time consuming and tricky assembly. Caps and septa are pre-assembled to reduce contamination during sample prepara...
Read more
2 Closures and Septa for Headspace Vials

Closures and Septa for Headspace Vials
Read more
3 Crimp Top Seals (ND11) for Chromatography Vials

Crimp Top Seals (ND11) for Chromatography Vials
Aluminum crimp caps are sealed tightly to reduce sample evaporation. Pre-assembled 11mm aluminum crimp caps and septa are economical and they are conv...
Read more
4 Snap Top Seals (ND11) for Chromatography Vials

Snap Top Seals (ND11) for Chromatography Vials
Pre-assembled caps and septa reduce contamination and easier to apply and remove. Compatible with HPLC and GC auto-samplers. Pre-slit septa are pierce...
Read more

Frequently Asked Questions

In gas chromatography Material:

 

Glass Vials:

  • Borosilicate glass: Borosilicate glass is well-known for being inert, which makes it appropriate for a variety of uses, including those requiring medications and delicate materials.
  • Soda-lime glass: A more popular and affordable choice.
  • Amber glass: Used to shield substances or pharmaceuticals that are sensitive to light.
  • Clear Glass: Makes the contents visible.

 

Vials of plastic:

  • Polypropylene: A flexible plastic that is frequently used for products that are sensitive to pH is polypropylene.
  • Polyethylene: Used in many different ways. 
  • Types of Vials by Closure Mechanism:
  • Screw Top Vials: Secured with a pipette or dropper and screw cap.
  • Crimp Top Vials: Secured with a metal crimp cap and a rubber stopper.
  • Snap Top Vials: Made to close quickly and easily.
  • Lip Vials: sealed with a plastic stopper or cork. 

 

Types of Vials by Shape:

  • Tubular Vials: Necked cylinders.
  • The purpose of flat bottom vials is stability.
  • Vials with a round bottom: Ideal for certain lab operations. 

 

Chromatography (GC) analysis, a GC vial is a tiny container, usually composed of glass or plastic. These vials contain samples that are put into the GC apparatus for examination, which separates and examines volatile substances according to how they interact with a stationary and mobile phase.

It is possible to reuse HPLC vials, but it is important to make sure they are cleaned and checked for damage. Reusing vials can save money, but it's crucial to be mindful of possible risks including cross contamination and decreased precision.

Vials are tiny, usually glass or plastic containers used in laboratories to hold and preserve liquid or solid samples. They are necessary for a number of laboratory operations, such as the transportation, storage, and analysis of samples, particularly in chromatography autosamplers.

Septa are tiny, flexible discs used in chromatography that are usually composed of silicone or PTFE. They are used to close injection ports or vials so they may be sealed again. They keep the pressure constant when handling and injecting samples and stop leaks and contamination.

The flexible, often round disk known as a vial septa is constructed of rubber or silicone and serves as a resealable closure inside a vial cap. It offers an airtight barrier that lets a needle pass through for sampling while shielding the sample from evaporation and contamination.

A septa is a thin, flexible disk used in High-Performance Liquid Chromatography (HPLC) that serves as a resealable seal inside an HPLC vial cap. These discs are frequently constructed of silicone or PTFE. It keeps the environment within the vial closed and safe, avoiding contamination and evaporation, while enabling multiple needle penetrations for sample extraction.

Problems with leaks, contamination, and uneven sealing can arise from HPLC vial septa, which can produce inaccurate analytical findings. Material deterioration, ineffective septa piercing, or incompatibilities between the septa and other vial components can all cause these complications.

Cart (0)