General Products

​The ALWSCI 2 mL Breath Testing Vial is specifically designed for accurate and reliable breath sample collection in diagnostic applications. This coated, non-evacuated vial ensures sample integrity and is compatible with various breath analysis instruments.​

Key Features:

• Material: Constructed from high-quality borosilicate glass, offering excellent chemical resistance and minimizing potential contamination.​

• Coating: Features a silicone coating that provides clear instructions without interfering with the analysis, enhancing user convenience.​

• Design:

  • Volume: 2 mL capacity, suitable for standard breath sample collection protocols.​

  • Dimensions: Specific dimensions are tailored for compatibility with most breath analysis instruments.​

  • Cap: Equipped with a screw cap made of high-quality polypropylene, ensuring a secure seal.​

  • Septa: Incorporates a butyl septa that allows for repeated punctures without compromising the seal.​

• Non-Evacuated: Designed without pre-evacuation, allowing for controlled sample collection as per specific testing requirements.​

• Color Options: Caps are available in various colors, including white, blue, green, yellow, and red, facilitating easy identification and organization of samples.

The 2 mL 9-425 Amber Screw Vial is a high-quality autosampler vial designed for precise analytical applications, particularly in chromatography. Its amber borosilicate glass construction offers protection against light-sensitive samples, while the graduated markings and write-on spot facilitate accurate measurement and labeling.​

Key Features:

• Material: Manufactured from Type 1 borosilicate amber glass, providing excellent chemical resistance and protection from UV light.​

• Capacity: 2 mL volume, suitable for standard sample sizes in chromatography.

• Dimensions: Standard 12 x 32 mm size, compatible with most autosamplers.​

• Thread Finish: 9-425 screw thread ensures a secure seal with appropriate caps.

• Graduated Markings: Clear 0.5 to 1.5 mL graduations allow for precise sample measurement.​

• Write-On Spot: Convenient area for labeling, aiding in sample identification.

The 2 mL Certified 9-425 Vial Kit is designed for high-precision liquid chromatography (LC) and mass spectrometry (MS) applications, offering reliable performance and sample integrity.​

Key Features:

• High-Quality Construction: Manufactured from borosilicate glass, these vials exhibit low free ion content, minimal expansion coefficient, and high chemical resistance, making them suitable for various analytical applications. ​

• Certified Cleanliness: Each vial undergoes rigorous HPLC testing to ensure cleanliness and is held to the industry’s tightest dimensional tolerances, guaranteeing consistent performance. ​

• Convenient Design: Featuring a 9-425 screw thread, these vials are compatible with a wide range of autosamplers. The inclusion of a marking spot and graduated scale facilitates easy sample identification and precise volume measurement.

​The 40 mL Pre-Cleaned & Certified EPA Total Organic Carbon (TOC) Vial is specifically designed for accurate TOC analysis in environmental and industrial applications. These vials are pre-cleaned and certified to meet stringent quality standards, ensuring reliable and precise measurements.​

Key Features:

• Material: Constructed from high-quality borosilicate glass, offering excellent chemical resistance and minimizing potential contamination. ​

• Volume: Each vial has a capacity of 40 mL, suitable for standard TOC analysis protocols. ​

• Dimensions: Typically measuring 27.5 mm in diameter and 95 mm in height, these vials are compatible with most TOC analyzers. ​

• Thread Design: Features a 24-400 screw neck finish, ensuring a secure seal and compatibility with various caps and septa. ​

• Color Options: Available in clear or amber glass to protect light-sensitive samples. ​

• Pre-Cleaned and Certified: Vials are pre-cleaned to meet EPA standards and certified for TOC levels below 10 parts per billion (ppb), ensuring minimal background interference.

A 5mm Micro Insert with Conical Base and Polyspring is a specialized laboratory accessory designed to enhance the accuracy and efficiency of sample analysis in chromatographic applications. These inserts are particularly useful for handling small sample volumes, ensuring minimal sample loss and improved reproducibility.​

Key Features:

• Conical Base: The conical design facilitates complete sample retrieval, reducing the risk of residual sample remaining in the insert.​

• Polyspring Mechanism: The integrated polyspring acts as a self-aligning cushion, positioning the insert correctly within the vial and providing a buffer against potential damage from autosampler needles.

• Material and Dimensions: Typically constructed from high-quality clear glass, these inserts measure approximately 5mm in diameter and 29-31mm in height, accommodating sample volumes ranging from 150µL to 250µL.

The 5mm Micro Insert with Flat Base is a laboratory accessory designed to facilitate the analysis of small sample volumes in chromatographic applications. These inserts are typically constructed from high-quality clear glass and have dimensions of approximately 5mm in diameter and 31mm in height, accommodating sample volumes up to 300µL. ​

Key Features:

• Flat Base Design: The flat bottom provides stability, making it easier to place and retrieve the insert during experiments. ​

• Material: Made from USP Type 1 borosilicate glass, offering excellent chemical resistance and thermal stability.

• Compatibility: Designed to fit standard opening vials, including 8-425 screw top vials.

8-425 Open Top Screw Closures with Pre-Slit Septa are specialized caps designed for secure sealing of chromatography vials, facilitating efficient sample access during analytical procedures.​

Key Features:

• Thread Size: 8-425, ensuring compatibility with standard 2 mL autosampler vials.​

• Material: Typically constructed from chemically resistant polypropylene (PP) or phenolic resin, offering durability and compatibility with various solvents.​

• Septa Composition: Equipped with pre-slit septa, commonly made from PTFE (Polytetrafluoroethylene) and silicone layers. The PTFE provides a chemically inert barrier, while the silicone offers resealability after needle penetration.​

• Pre-Slit Design: The pre-slit in the septa allows for easier needle insertion and minimizes coring, enhancing the longevity of the septa and ensuring consistent sample integrity.