Products

11mm 2ml Autosampler Vial for Snap Ring is a high-quality sample vial designed for compatibility with snap ring closures. Manufactured from USP Type 1, Class A, 33 Borosilicate Glass, these vials offer dimensional consistency and are available in both clear and amber to protect light-sensitive samples.

Aijiren Non-sterile Disposable Syringe Filters offer reproducible membrane quality and an automated manufacturing process, ensuring that particulate matter is removed from every sample, extending the life of the analytical column and minimizing damage to the injection port or valve.

Screw neck 2ml HPLC Autosampler Vial is designed for high performance liquid chromatography (HPLC) autosampler systems. It is characterized by ease of use and excellent compatibility and is often referred to as an autosampler vial. With an 8mm outer diameter and 425 thread style, it is available in clear and amber. They are made of borosilicate glass type I material, with a use volume of 1.5ml and a maximum capacity of 2ml

Aijiren Micro Inserts are a series of micro-insert tubes designed for HPLC sample bottles. They are made of borosilicate glass with a capacity range of 150-250 microliters and sizes including 29*5mm and 31*5mm, etc., suitable for 8-425, 9mm, 10-425 and 11mm quick-twist bottles.

11mm Crimp Top 2ml Autosampler Vial is a 2ml capacity sample vial designed for high performance liquid chromatography (HPLC) autosampler. It adopts 11mm crimp top design to ensure good sealing, effectively preventing evaporation and cross contamination of samples during storage and analysis, and is suitable for precise sample sampling and analysis.

Aijiren Syringe Filter is a non-sterile disposable syringe filter designed for HPLC sample preparation, providing 0.22um and 0.45um pore sizes to ensure the removal of particulate matter in the sample, extend the life of the chromatographic column and reduce damage to the injection port or valve.

20mm 6ml Crimp Top Headspace Vials for Karl Fischer are designed for precise gas chromatography analysis, featuring a 6ml volume, clear borosilicate glass construction for chemical stability, and a crimp neck for secure sealing with a 20mm aluminum cap. These vials are ideal for Karl Fischer titration, ensuring low extractables and high sample integrity.

Sterile Syringe Filters are disposable sterile syringe filters designed for fast and efficient filtration of small volumes (up to 100 ml) of aqueous and organic solutions. They feature a polypropylene housing and are available in a variety of membrane materials including PTFE, nylon, PVDF, etc., with pore sizes of 0.22 micron and 0.45 micron available.

18mm 10ml Screw Headspace Vials are glass vials designed for laboratories. They are made of USP1 borosilicate glass and are resistant to high temperatures and corrosion. These vials are suitable for headspace analysis of volatile solids and gases, can store volatile samples to prevent sample evaporation.

Pre-slit PTFE/Silicone Septa is designed for applications where larger sample volumes need to be injected from a vial to avoid aspiration. This septa allows ambient gas to balance the gas in the vial, reducing the vacuum created by a tight seal around the needle. The pre-slit design makes the septa easier to penetrate with a needle and releases the vacuum created when removing large samples from the vial, while maintaining chromatographic properties similar to un-slit septa.

11mm Crimp Top 2ml Autosampler Vial is an autosampler vial designed for HPLC and GC, with a capacity of 2ml and an 11mm crimp cap design for quick sealing. Made of borosilicate glass, it is available in transparent or amber options to protect samples from light and ensure accuracy and repeatability of analysis.

aijiren Screw Neck 2ml HPLC Autosampler Vial is a sample vial designed for high performance liquid chromatography (HPLC) autosamplers, equipped with a matching polypropylene (PP) screw seal cap, PTFE/rubber septa and micro insert. This design not only provides a good seal, but also facilitates vial placement and protection from contamination.

Aijiren Nylon Syringe Filter is designed for laboratory use, offering a hydrophilic nylon membrane that is compatible with both aqueous and organic solutions. It is known for its high protein binding, making it suitable for protein-free solutions, and resistant to alcohol and DMSO.

Aijiren 18mm 20ml Screw Headspace Vial is a high-quality laboratory glassware designed for gas chromatography analysis, featuring a robust round bottom for withstanding high pressures during heating and a precision screw-thread closure for secure sealing.

Aijiren 9mm 2ml Short Tread HPLC Autosampler Vial is designed for high-performance liquid chromatography, featuring a compact 9mm neck diameter for efficient autosampler compatibility and a shorter thread design for quick, reliable sealing. Crafted from premium borosilicate glass, these vials ensure chemical resistance and clarity, making them an ideal choice for precise sample analysis in the lab.

Aijiren 4ml 13-425 Screw Thread Vial is a sample vial designed for HPLC automatic injection, suitable for various laboratory environments. This sample vial is made of borosilicate glass, which ensures its chemical stability and high temperature resistance, and can withstand a temperature range of -40℃ to 200℃.

Aijiren 15-425 threaded caps with silicone septa are designed for HPLC autosampler bottles to ensure the stability and integrity of samples during storage and injection. These caps are made of polypropylene (PP) material, which has excellent chemical stability and sealing performance and is suitable for a variety of laboratory environments.

Aijiren 2ml screw neck HPLC autosampler Vial are designed for high performance liquid chromatography (HPLC) systems to ensure the safety and integrity of samples during storage. The screw neck design provides a tight seal to prevent sample evaporation and contamination. These high-quality Vials are suitable for a variety of HPLC instruments and are ideal for laboratory analysis.

Aijiren Micro Inserts for HPLC Vials are HPLC vials designed for micro-volume samples, aiming to improve sample recovery and reduce sample volume requirements. These micro inserts have a capacity of 150µL to 300µL and are suitable for autosamplers and micro-HPLC systems.

Aijiren Non-sterile Disposable Syringe Filter is a syringe filter designed for laboratories, suitable for sample pretreatment in HPLC and GC analysis. These filters can effectively filter particulate contaminants in sample solutions, protect chromatographic columns and instruments, and ensure the accuracy and reproducibility of analysis results.

Aijiren 11mm Snap Ring 2ml Autosampler Vial is made of high-quality materials to ensure the stability and safety of samples during analysis. Its unique Snap Ring design provides excellent sealing performance to prevent sample volatilization and contamination, and is suitable for various autosamplers to improve experimental efficiency and reliability of results.

Bonded cap and septa are designed specifically for HPLC autosamplers and have excellent resealing properties and chemical resistance, ensuring sample integrity and accuracy during storage and analysis. These cap and septa are made of a composite of PTFE and silicone, providing a high degree of chemical inertness and are suitable for a variety of solvents and chemical environments.

Aijiren 2ml Screw Neck HPLC Autosampler Vial is a high quality sample vial designed for High Performance Liquid Chromatography (HPLC) autosampler, providing precise sample storage and automatic injection.

Aijiren 0.45μm Syringe Filter provides fast and efficient filtration solutions for aqueous and organic solutions, protecting columns in HPLC IC analysis from clogging by particulate impurities and ensuring instrument safety.

Aijiren 15-425 Screw Sample Storage Vial is a high-quality screw-sealed vial designed for laboratory sample storage and protection. It has a 15mm bottle mouth diameter and a 425 standard thread interface. It is equipped with a polypropylene screw cap and a PTFE/silicone septum to provide chemical stability and sealing performance. It is suitable for long-term storage of various liquid and solid samples while ensuring the integrity and safety of the samples.

Aijiren Amber Reagent Bottles are designed for laboratory use, featuring high-quality borosilicate 3.3 glass with excellent chemical resistance, minimal thermal expansion, and permanent white enamel graduations for precise measurements, ideal for storing sensitive reagents and protecting them from light.

Aijiren 18mm 10ml Screw Headspace Vials are high-quality borosilicate glass vials designed for headspace analysis of volatile solids and gases, featuring high temperature and high pressure resistance, and easy operation and storage of volatile samples.

Aijiren 20mm Crimp Top Aluminum Caps are designed for secure sealing with beveled tops and are available with various septa options, compatible with both clear and amber vials, and suitable for use in gas chromatography applications.

Aijiren 4ml 13-425 Screw Thread Vial is a high-quality, chemically resistant glass vial designed for HPLC and GC applications, featuring a 13-425 standard screw thread for secure sealing and compatibility with various autosamplers.

Aijiren Thread Caps with Septa products are designed for 9mm short thread vials. They are made of PP and are available in a variety of colors and septa materials (PTFE/silicone). They are suitable for chromatographic analysis such as HPLC and GC to ensure the sealing and purity of the sample.

Aijiren autosampler vials are suitable for HPLC, LC/MS, GC, and GC/MS instruments and applications.

Aijiren’s HPLC syringe filters provide a variety of membrane materials and pore sizes for selection, suitable for pre-filtration and sample preparation, ensuring the accuracy and reproducibility of chromatographic analysis.

Aijiren 0.3ml 11mm Glass Crimp Vial with Fused Insert is a high quality glass micro vial designed for HPLC/GC analysis with a 0.3ml capacity, featuring an 11mm crimp neck and a 6mm diameter fused insert with a fixed bottom to maintain vertical centering, suitable for precious sample preservation and testing. Available in clear or amber coloured borosilicate glass, unscaled and compatible with a wide range of autosamplers.

Aijiren Screw Caps with Septa for 8-425 Screw Neck Vial is a screw cap designed for 8-425 screw neck vials with PTFE or silicone septums for high performance liquid chromatography (HPLC) and gas chromatography (GC) sample vials. These caps ensure a good seal and chemical compatibility, while offering a wide selection of sizes and materials to meet different laboratory needs and autosampler compatibility requirements.

The 11mm Crimp Top Autosampler Vial 2ml is a high quality glass vial designed for autosamplers, 2ml capacity, 11mm crimp top, clear glass vial. These bottles are compatible with most brands of autosamplers and are suitable for use with HPLC and GC autosamplers.

TOC vials are pre-cleansed containers made from high-quality borosilicate glass or other inert materials. They are specifically engineered to minimize contamination risks associated with traditional vials, ensuring that even trace amounts of organic impurities do not skew the TOC readings.

GC (gas chromatography) and GC-MS (gas chromatography-mass spectrometry) are two analytical techniques commonly used to separate and identify volatile compounds.

In analytical laboratories, syringe filters are essential for ensuring sample integrity by removing particulates before analysis. However, filter breakthrough—where particles pass through the filter—can compromise results and damage sensitive instruments. Here are key strategies to prevent this issue:

Chemical Oxygen Demand (COD) test tubes are essential tools for water quality analysis, widely used in municipal, industrial, and environmental testing. These specialized tubes are designed to withstand high temperatures and harsh chemical conditions during the COD digestion process. Let’s dive into the key features and best practices for using COD test tubes.

Chemical Oxygen Demand (COD) testing is a crucial method for assessing water quality, particularly in wastewater treatment and environmental monitoring. COD test tubes simplify the process, but proper usage is essential for obtaining accurate results