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0.45 syringe filters are commonly used in research and laboratory settings for a variety of filtration applications. They are known for their ability to remove particles and microorganisms from solutions, making them a valuable tool in many scientific fields. However, with so many options and considerations to take into account when selecting a syringe filter, it is common to have questions and concerns.
In this article, we will address 20 frequently asked questions about 0.45 syringe filters and provide comprehensive answers to help you make informed decisions about your filtration needs.Filter your sample before chromatography instrument, it can help your chromatography instrument. Aijiren lab membrane syringe filter is the best choice.

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.

Autosampler vial, also known as a sample vial or injection vial, is a small container used for storing and handling samples in automated sampling systems.These vials are designed to fit into autosamplers, which are instruments used in analytical chemistry to automatically inject samples into analytical instruments such as gas chromatographs (GC) or liquid chromatographs (LC).
Autosampler vials play a critical role in automated sample handling and injection processes. They provide a secure and convenient way to store samples, protect them from contamination, and facilitate the precise and reproducible injection of samples into analytical instruments.

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.

EPDM (Ethylene Propylene Diene Monomer) septum is a type of synthetic rubber commonly used in laboratory and industrial settings. It is primarily used as a sealing material in various applications, including as a septum for sealing sample vials or containers.
EPDM septa are often used in chromatography and analytical chemistry techniques, such as gas chromatography (GC) and high-performance liquid chromatography (HPLC). They are placed on the top of the vial or container, providing a reliable and airtight seal.
The septum allows for the injection of a needle or syringe to introduce or withdraw samples or reagents without compromising the integrity of the contents.
EPDM is favored for septa due to its excellent chemical resistance, low extractability, and ability to maintain a secure seal even under varying temperature conditions.

Syringe filter is a disposable filter unit designed to remove impurities from liquids or gases using a syringe as the fluid delivery system.
It consists of a plastic housing with an inlet and an outlet, and a filter membrane positioned between them.
The filter membrane is often made of materials such as polypropylene, polytetrafluoroethylene (PTFE), or nylon.
To use a syringe filter, the liquid or gas to be filtered is drawn into a syringe, and then the syringe is attached to the inlet of the syringe filter.

1.5/2ml autosampler vial refers to a type of sample container commonly used in analytical chemistry and laboratory settings.
The vial has a total volume capacity of 1.5 to 2 milliliters (ml).
Autosampler vials are designed to be compatible with automated liquid handling systems, such as autosamplers, which are used to inject samples into analytical instruments for analysis.
The vial typically consists of a cylindrical glass or plastic body with a narrow opening at the top.
It is sealed with a cap or septum to prevent sample contamination and evaporation.

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.

20mm Crimp-top Aluminum Rubber Septa typically refers to a type of closure system used in laboratory settings. It consists of an aluminum cap combined with a rubber septa.
The aluminum cap is designed to seal the opening of a container, such as a vial or bottle, and is typically made of aluminum or aluminum alloy.
It provides a secure closure to prevent leakage, contamination, or evaporation of the contents.
The aluminum cap ensures a secure fit, while the rubber septa provide a barrier against leaks, contamination, and sample evaporation.

2 ml 9 mm silicone vials with polypropylene caps are commonly used in various industries, including pharmaceuticals, biotechnology, and laboratory settings.
These vials are designed to store and protect sensitive substances, such as medications, chemicals, or biological samples, ensuring their integrity and preventing contamination.
The combination of a silicone-lined vial and a polypropylene cap provides a secure and reliable storage solution for sensitive materials.
It helps to safeguard the contents from external contaminants, moisture, and potential degradation.

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.

10ml Top empty bottles have a round bottom or a flat bottom.
Both types are suitable for injection but round-bottomed bottles tend to be stronger in storing samples. Therefore, the more reliable work should be the automatic sampler of the round bottom bottle. Round-bottomed bottles also tend to withstand higher pressures and are more suitable for temperature increases and are compatible with applications such as derivatization.The round bottom sample bottle is compatible with most automatic samplers, and the sample arm is convenient for carrying the sample bottle from the tray
The flat-bottled sample bottle can achieve a high level of heating efficiency during manual head space injection and is suitable for certain types of instruments

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.

9-425 Screw Cap 2ml HPLC vial is a type of vial commonly used in High Performance Liquid Chromatography (HPLC) applications. It is designed to hold samples for analysis in HPLC systems.The vial has a capacity of 2ml, which refers to the maximum volume of liquid it can hold. The 9-425 designation indicates the thread size and type of the screw cap, which is compatible with specific autosampler systems.These vials are widely used in chromatography laboratories for the storage and analysis of liquid samples in HPLC systems.

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.

PTFE (polytetrafluoroethylene) silicon vials, also known as PTFE-lined silicon vials, are specialized containers commonly used in pharmaceutical and laboratory settings. These vials are designed to provide a high level of chemical resistance and inertness, making them suitable for storing and transporting sensitive or reactive substances.TFE silicon vials are commonly used for storing and transporting pharmaceutical drugs, particularly those that are sensitive to interactions with container materials.

Chromatographic automatic injection is commonly used in analytical laboratories to introduce samples into chromatography instruments, such as high-performance liquid chromatography (HPLC) or gas chromatography (GC) systems. It involves the use of an autosampler, which is a device that automates the sample injection process.increased sample throughput, improved reproducibility, and reduced manual handling, thereby minimizing the risk of errors and contamination.

13/25 mm 0.22/0.45 um syringe filters are used to achieve a cleaner and purer liquid sample for various laboratory applications. They are particularly useful in sample preparation for analytical techniques such as chromatography or spectroscopy, where removing impurities is crucial for accurate results.The filtered liquid passes through the membrane and collects in a separate container, while the impurities are retained by the filter.

13/25 mm,0.22 um syringe filter is a small, disposable filter device that is used to remove impurities or particles from a liquid sample. It consists of a plastic housing with a membrane filter at one end and a female Luer lock or slip tip at the other end, which allows it to be attached to the end of a syringe.Syringe filters are convenient, cost-effective, and widely used in laboratory applications where small volumes of liquid need to be filtered quickly and efficiently.