Caps for screw thread vials are available with either an open hole for autosampler use and standard addition or with a solid top for sample storage. One piece polypropylene cap and membrane are also available. These pierceable screw thread caps are designed for one time use and reduce sample preparation time as there is no cap and seal to assemble.

Storage glassware manufactured in Type 1, Class A, 33 expansion borosilicate glass or 51A amber glass
Capacity ranges from 8ml-60ml
Provide constant pH for duration of sample storage life
Chemically inert caps suitable for most chromatography and storage applications
Top grade PTFE/silicone septa used for cleanliness

Open top 40ml vial and cap with welded septum ,Pack of 100.
The only low-level certified vials in the market for Total Organic Carbon testing and sampling. Major TOC instrument manufacturers use and recommend these vials.
Vials certified, and ready to use.
Each lot of vials is tested and certified.

Suitable for: 24-400 Screw Neck Vials, 20-60ml EPA VOA TOC Vials
Caps Material: PP
Cap Diameter: 24mm
Caps with Closed-top or with 15mm center hole
Septa Material: Nature PTFE / Nature Silicone
Septa Size: 22*3mm Low Bleeding

The production process of high-performance total organic carbon (TOC) sample bottles is kept clean, and the workshop and production process are guaranteed to be clean, which can reduce instrument background and ensure top-level system performance for low-level monitoring.
It is equipped with a polypropylene cap with an open top and a PTFE/silicone low-leakage gasket bonded to the cap. The level 1 vials have been assembled and quality checked before leaving the factory.

Buy Aijiren Sample Storage Vial online at wholesale rates. If you have been looking for Sample Storage Vial, your search ends here as you can get the best Sample Storage Vial in China. You can purchase Sample Storage Vial of the finest quality and rest assured to get the best in terms of both durability and performance. If you are bothered about the Sample Storage Vial prices, you can be totally sure to get the best rates as Aijiren brings you genuine Sample Storage Vial rates and quality assured products. Procure Sample Storage Vial today and avail the best offers on your purchase.

Manufactured in state of the art moulding facility using high purity virgin polypropylene.
PP Material confirming to US FDA 21 CFR.
Used for storage of PCR reagents, enzymes and other diagnostics and biochemical reagents or sample.
HDPE screw closure is leak proof.
Can be used at low temprature.
Amber Storagr Vial can be used for light sensitive samples.

EPA vials are those that meet the requirements of the US Environmental Protection Agency (EPA) for the testing of potentially harmful environmental contaminants in water or soil samples. To be used for environmental analysis, EPA vials must be clean and free of substances that might influence the analysis.

Aijiren Storage vial is an ideal device for general laboratory use and storage of diverse samples due to excellent sealability and chemical tolerance.
Besides, chemically inert caps are a good choice for most chromatography and storage applications. Top grade PTFE or Silicone septa are adopted to ensure cleaning production and consistent quality of sample vials.
The flat bottom profile can keep stable standing, and reduced sprinkle. Borosilicate glass is used as main material to enhance corrosion and temperature resistance. Superior quality with a favorable price is worthy of your order and more and cheaper.

Aijiren can provide storage vials of various specifications, mainly used for water and soil analysis. This type of storage vial may also be called an EPA vial, specifically the 40ml screw cap EPA vial. The storage capacity of EPA screw-top bottles is 20ml-60ml, such as 20ml, 30ml, 40ml, and 60ml.

Aijiren Storage vial is an ideal device for general laboratory use and storage of diverse samples due to excellent sealability and chemical tolerance. Besides, chemically inert caps are a good choice for most chromatography and storage applications. Top grade PTFE or Silicone septa are adopted to ensure cleaning production and consistent quality of sample vials.

Featuring rounded bottoms and a deep thread finish for an extra turn of security for those important jobs, these heavyweights are fully annealed for maximum strength.
The rounded bottom allows for the efficient transfer of heat and easier cleaning. 

Polypropylene Screw Cap with Septa – Polypropylene screw cap with precision-fit septa provide an evaporation-proof seal. Bi-layer include silicone and PTFE. Silicone septa for multiple injections. PTFE-lined screw cap for organic samples. Screw caps provide an inert, airtight seal and direct puncture-access to samples with a syringe needle.

EPA vials are those that meet the requirements of the U.S. Environmental Protection Agency (EPA) for testing potentially harmful environmental contaminants in water or soil samples.

Polypropylene screw cap with septum-The polypropylene screw cap with septum provides an anti-evaporation seal. The double layer includes silicone and PTFE. The silicone septum can be injected multiple times. Screw caps lined with PTFE are used for organic samples. The screw cap provides an inert, air-tight seal and can be directly pierced through the sample with a syringe needle.

Order as individual sample storage vials and closures or as unassembled convenience kits.
Unassembled convenience kits saves time during sample preparation.
Solid-top convenience kits include matched quantities of vials and screw caps with pre-assembled septa.
Open-top convenience kits contain shrink-wrapped vials and separately packaged caps and septa in polybags.

The storage vials are compatible with various laboratory storage methods, including refrigeration and freeze-drying. They can withstand a wide range of temperatures, allowing for long-term storage of samples under different conditions. The PTFE cap provides chemical resistance and ensures a tight seal, even during extreme temperature fluctuatio

Whether used in pharmaceutical research, biotechnology, or other laboratory settings, the 15-425 Screw Sample Storage Vial offers a reliable solution for sample storage and organization. With their high-quality construction, secure sealing, and moderate sample capacity, these vials provide convenience, sample protection, and compatibility with diverse laboratory workflows.

Aijiren not only produces Vial for HPLC and GC, but also Sample Storage Vials for storing samples. Aijiren’s Sample Storage Vials are divided into amber and clear vials. Amber vial can protect the sample from ultraviolet rays.

The manufacturer’s lot number for each component of this product is tracked until all procedures are completed at which time a final lot number is assigned and documented. A randomly selected collection of vials from each completed lot are submitted to an independent validation laboratory for quality control purposes to confirm that the TOC vials comply with the quality specification. The vial, closure and dust cover undergo comply with stringent quality standards and specifications.

The production process of high-performance total organic carbon (TOC) sample bottles is kept clean, and the workshop and production process are guaranteed to be clean, which can reduce instrument background and ensure top-level system performance for low-level monitoring.

Our storage vials, also known as step vials or dram vials offer a great solution for storing solvents for extended periods of time. Our screw thread vials offer enough threads per inch to eliminate evaporaton with a solid top or lined cap.

The screw caps produced by Aijiren can have an opening for the autosampler and standard additions, or they can have a solid top for storing samples. A polypropylene cap and film are also available. These pierceable screw caps are designed for one-time use, and because there are no caps and seals to assemble, the sample preparation time is reduced.

Order as individual sample storage vials and closures or as unassembled convenience kits.
Unassembled convenience kits saves time during sample preparation.
Solid-top convenience kits include matched quantities of vials and screw caps with pre-assembled septa.
Open-top convenience kits contain shrink-wrapped vials and separately packaged caps and septa in polybags.

Our Screw Sample Storage Vial adheres to industry-standard specifications, ensuring compatibility with a wide range of laboratory equipment. The 15-425 thread size is commonly used, making it compatible with various autosamplers and sample handling systems. Enjoy the convenience of standardized compatibility, allowing for seamless integration into your existing laboratory setup.

Open top 30ml vial and cap with welded septum ,Pack of 100.
The only low-level certified vials in the market for Total Organic Carbon testing and sampling. Major TOC instrument manufacturers use and recommend these vials.
Vials certified, and ready to use.
Each lot of vials is tested and certified.