septa

2ml screw autosampler vial refers to a specific type of vial used in laboratories for the storage and analysis of samples. It is designed to be compatible with autosamplers, which are automated instruments used for sample handling and injection into analytical instruments such as gas chromatographs (GC) and liquid chromatographs (LC).
The “2ml” refers to the vial’s nominal volume, which is 2 milliliters. This volume indicates the maximum capacity of the vial. The vial typically has clear glass or sometimes amber glass construction, allowing for visibility of the sample contents. The vial is cylindrical in shape with a screw thread on the outer surface of the neck.

Glass test tube is a cylindrical container made of glass that is commonly used in scientific laboratories for holding, mixing, and heating small quantities of liquid or solid substances. Test tubes are usually open at one end and have a rounded or slightly flared bottom. They come in various sizes, ranging from a few centimeters to several centimeters in length.
Test tubes are designed to withstand high temperatures and chemical reactions, making them suitable for a wide range of experiments and analyses.

screw metal cap, also known as a screw-on metal cap or a metal closure, is a type of closure commonly used in packaging. It consists of a metal cap with internal threads that Screw onto the external threads of a container or bottle to secure its contents. Screw metal caps are often used in industries such as food and beverage, cosmetics, pharmaceuticals, and household products.
The caps can be lined with various materials, such as plastic or foam, to provide additional protection and prevent leakage or contamination of the packaged product.

Silicone septa, also known as a silicone rubber septum or stopper, is a sealing component used in laboratory settings, particularly in chromatography and sample storage applications. It is a circular disc-shaped piece made of silicone rubber that is placed within the cap of a vial or container to create a secure and leak-proof seal.
Silicone septa are commonly used in conjunction with screw caps or crimp caps to seal vials used in gas chromatography (GC) and other analytical techniques. They are typically placed between the cap and the vial opening, and when the cap is tightened or crimped, the septa forms a barrier that prevents leakage or contamination of the sample.

Rubber septa, also known as rubber stoppers or closures, are commonly used in laboratories as a sealing material for vials, bottles, and other containers. A septum (plural: septa) is a thin piece of rubber or elastomeric material that is designed to provide an airtight or liquid-tight seal when inserted into the opening of a container.
Rubber septa are typically made from a variety of elastomeric materials, such as natural rubber or synthetic polymers like silicone or butyl rubber.
These materials are chosen for their flexibility, chemical resistance, and ability to form a tight seal.

10ml 20ml Headspace GC vials are a type of sample vial used in gas chromatography (GC) analysis.
They are specifically designed for the analysis of volatile and semi-volatile compounds present in a sample.
Headspace analysis involves the extraction of volatile compounds from a solid or liquid sample into the gas phase for injection into a GC instrument.
20mm aluminum caps and septa are commonly used in chromatography applications, including gas chromatography (GC) and high-performance liquid chromatography (HPLC). They are used to seal sample vials and ensure a gas-tight or liquid-tight seal.

Rubber septa, also known as rubber stoppers or closures, are commonly used in laboratory settings and various industries to seal containers and provide a barrier against the outside environment.
They are made from various types of rubber, such as silicone or butyl rubber, which offer different properties and chemical resistance.
The primary purpose of rubber septa is to create an airtight seal to prevent contamination or evaporation of the contents within a container.
They are inserted into the opening of a vial, flask, or other containers and provide a secure closure.
The elasticity and flexibility of the rubber material allow for easy insertion and removal of needles or syringes while maintaining a tight seal when not in use.

Pre-slit Crimp-top Cap with butyl/PTFE silicone GC vial septa are commonly used in gas chromatography applications to provide a reliable and inert seal for sample vials.
These septa are typically composed of three layers: a butyl rubber backing, a PTFE (polytetrafluoroethylene) middle layer, and a silicone top layer.
When purchasing septa, it’s important to ensure that they are compatible with your specific GC vials and instruments.

2ml sample vial s equipped with a silver aluminum cap that has an ND11 (Narrow Diameter 11mm) size that cap is designed to fit the vial securely and provide a seal to prevent leakage or contamination.
The silver aluminum caps are designed to provide a secure closure for the vial, ensuring that the sample inside remains sealed and protected from contamination or leakage.
Overall, the combination of a 2ml sample vial with silver aluminum caps provides a reliable and convenient solution for storing and preserving small liquid samples in a laboratory or industrial environment.

Silicone/PTFE (Polytetrafluoroethylene) septa, also known as silicone/PTFE liners or caps, are commonly used in laboratories and analytical chemistry for sealing sample vials or containers. These septa provide a secure and reliable seal to prevent sample evaporation or contamination.Silicone/PTFE septa are widely used in applications such as gas chromatography (GC), liquid chromatography (LC), headspace analysis, and sample storage. They are available in different sizes and configurations to fit specific vial or container types, ensuring a secure and reliable seal for various laboratory processes.

18mm rubber septa typically refers to a type of closure used in laboratory settings. Rubber septa are often made from materials like silicone or synthetic rubber and are designed to seal containers such as vials or bottles. They are commonly used in applications where a sample needs to be stored or analyzed under controlled conditions.Rubber septa provide an TEMPeffective barrier against air and moisture, preventing contamination and maintaining teh integrity of teh sample. They are commonly used in laboratories for applications such as gas chromatography, liquid chromatography, sample storage, or other analytical techniques.

2ml White PTFE/Red Silicone septa are commonly used in laboratory applications, including chromatography, sample storage, and sample analysis. These septa provide a reliable and effective barrier between the sample and the environment.White PTFE/Red Silicone septa are commonly used in laboratory applications, including chromatography, sample storage, and sample analysis. These septa provide a reliable and effective barrier between the sample and the environment.

Polypropylene/PTFE silicone screw vial caps with septa are commonly used in high-performance liquid chromatography (HPLC) and other analytical techniques.These caps provide a secure seal for vials, preventing sample evaporation and contamination.When selecting polypropylene/PTFE silicone screw vial caps with septa, consider factors such as thread compatibility with your vials, the specific requirements of your HPLC system, and the chemical compatibility with your samples and solvents. Reputable manufacturers and suppliers offer a range of options to suit different vial sizes and analytical needs.

Opening caps with septa refers to the process of removing the cap from a vial that is equipped with a septum. This is typically done in laboratory settings when accessing the contents of the vial for analysis or other purposes.It’s important to perform these steps carefully and gently to avoid damaging the vial or septum and to maintain the integrity of the sample inside.

HPLC/GC vials with septa are specialized glass vials used in high-performance liquid chromatography (HPLC) and gas chromatography (GC) applications. These vials are designed to hold samples for analysis and are equipped with a septum for sample injection or extraction. These vials are typically made of high-quality borosilicate glass and feature a cap with a septum for sample injection or extraction.

Aijiren presses Silicone and PTFE composite into the picture, and cuts them into rectangular sheets of similar size. Because PTFE is easy to curl and deform, the raw materials in the picture are all curled. Wait for it to enter the dryer to dry the moisture. Keep it level. Aijiren uses a mechanical laser to cut Septa, and guarantees the integrity and chemical nature of Septa.

Aijiren’s 8mm Septa is made of Silicone and PTFE raw materials. Aijiren cuts Pre-slit on Septa for the convenience of customers. The pattern is a font and a cross. The cross-shaped pre-slit septa is the best. It is convenient for the automatic injection needle to puncture. If the customer uses a blunt needle, you can consider buying a cross-type pre-slit septa.

24mm Silicone/PTFE Septa is matched with 24mm screw neck cap, suitable for 24mm screw sample storage vial. Aijiren has an exclusive production technology that can compound PTFE and Silicone without adding any adhesives, so Aijiren’s Septa is soft and not easily deformed.

As a factory specializing in the production of chromatographic consumables, Aijiren has hundreds of workers for production, especially Septa. Aijiren has exclusive septa composite technology, so the requirements for the workers in the septa workshop are very high. The workers in the picture are using cutting machines for Silicone and PTFE composite material for cutting work.

The Silicone/PTFE Septa produced by Aijiren uses high-quality raw materials and an exclusive compounding process. This process does not require any adhesives to compound Septa and Silicone to achieve no cracking, no falling off, and a perfect fit for autosampler vial and antosampler.

The compatibility or chemical resistance of 20mm Grey Butyl Septa with samples and solvents can be consulted by Aijiren’s salesperson. Butyl’s tightness makes 20mm Grey Butyl Septa suitable for multiple injections or storage. The 20mm Grey Butyl Septa has a thickness of 3mm, which has good sealing properties and facilitates the puncture of the autosampler needle. It is not thick enough to affect the puncture. PTFE is the most inert resistance of the septum, and Aijiren’s bonding process makes Septa not easy to fall off.

Septa-silica gel has strong repetitive sealability, and it can maintain good close performance after multiple injections; PTFE is a material with better chemical conditions at present, and it can withstand strong acids and alkalis. The two materials After compounding, the bottle can be used for various laboratory purposes such as sealed sampling, chemical storage and so on.

PTFE-fused septa are suitable to overcome the degradation, which happens due to prolonged high temperatures, commonly observed in silicone rubber septa. The degradation results in baseline drift and additional peaks. It is generally fixed with the PTFE face towards the column packing.

The butyl septa on the PTFE surface can be used in the headspace sample bottle to evaluate the injection activity and the penetration efficiency of methyl bromide on the activated carbon. The septum can be used to seal the vial during liquid sample collection for unmodified benzene analysis using HPLC method

Teflon and silicone rubber or ultra-pure silicone are used as raw materials to ensure that the septa are non-toxic; to ensure excellent functions, it is particularly suitable for gas chromatography, and to ensure that the septum does not fall into the sample vial during the injection process

Aijiren’s 18mm Screw Top Headspace Vial is available in 10ml, 20ml, amber glass and clear glass. And the caliber of Headspace Vial is Screw thread, which is convenient for sealing and opening the headspace bottle. At the same time, the Screw Top Cap of Aijiren’s Headspace Vial has a center hole, which is convenient for the automatic injection needle to enter and exit. The thickness of Septa is easy to pierce and has a tight seal.

HPLC sample vial Septa is one of the most important part in chromatography consumable. Septa for HPLC has high temperature resistance and corrosion resistance. Quality and service in a controlled production environment is trusted by customers. The Caps are made of high quality polyproylene to exact manufacturing tolerances and lined in a controlled manufacturing environment, The color of the #HPLCvial cap can be customized according to customer needs. Aijiren’s septa use only the highest quality materials to ensure proper function and can be pre-slit to ease needle penetration.