ALWSCI
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ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9 mm, Blue PTFEWhite Silicone Septa, 100 pcspk
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ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9 mm, Blue PTFEWhite Silicone Septa, 100 pcspk
PTFE-lined screw cap for analytical organic samples, compatible with most autosampler vials.
ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9 mm, Blue PTFEWhite Silicone Septa, 100 pcspk
Item #: 52588088

ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9 mm, Blue PTFEWhite Silicone Septa, 100 pcspk

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Item #: 52588088

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PTFE-lined screw cap for analytical organic samples, compatible with most autosampler vials.
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What Stands Out

High Compatibility
Designed for 2ml ND9 autosampler vials, these caps ensure a perfect fit, providing reliable sealing and minimizing sample contamination during analysis.
Durable Materials
Constructed from high-quality PTFE and red silicone, these septa offer excellent chemical resistance, ensuring longevity and reliability in challenging laboratory environments.
Bulk Packaging
Sold in packs of 100, these screw thread caps provide substantial value for laboratories, reducing the frequency of purchases while ensuring a consistent supply for ongoing research.

Product Details

Shop ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9 mm, Blue PTFEWhite Silicone Septa, 100 pcspk online at a best price in Tonga. B09S3J7Z7J

Who Should Buy?

Suitable For
  • Laboratory Technicians

    Ideal for lab technicians needing reliable closures for HPLC autosampler vials during routine analyses.

  • Research Scientists

    Perfect for researchers conducting experiments that require secure and chemically resistant vial closures.

  • Quality Control

    Beneficial for quality control processes where sample integrity and contamination prevention are critical.

Not Suitable For
  • Casual Users

    Not suitable for casual users who require basic vial caps for non-laboratory applications.

Product Description

ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9 mm, Blue PTFEWhite Silicone Septa, 100 pcspk

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Customer Questions & Answers

  • Question: What are the specifications of the ALWSCI HPLC vials?

    Answer: The ALWSCI HPLC Pre-Slit Vial features a 9-425 screw thread design, making it compatible with a variety of HPLC systems. Each vial has a 9mm neck size, ensuring a secure fit for optimal performance. The blue caps are made of high-quality PTFE and white silicone septa, which provide excellent chemical resistance and ensure no contamination of samples. These specifications are crucial for laboratory professionals who require precision and reliability in their sample analysis.
  • Question: What applications are suitable for ALWSCI HPLC vials?

    Answer: These vials are predominantly used in high-performance liquid chromatography (HPLC) applications, making them essential tools for analytical chemistry. They are ideal for storing samples for testing, including pharmaceuticals, environmental samples, and food quality control. Depending on the laboratory setting, these vials can also serve for various applications requiring high precision, such as method development and routine quality checks.
  • Question: Can the septa be replaced on the ALWSCI vials?

    Answer: Yes, the septa on the ALWSCI vials can be replaced, allowing for the reuse of the vials with fresh septa when needed. This feature is beneficial in research environments where different compounds may be analyzed, helping to reduce costs and waste. Always ensure that the replacement septa match the specifications for optimal fit, sealing, and performance.
  • Question: How does the pre-slit septa benefit sample handling?

    Answer: The pre-slit septa allow for easy and precise needle penetration, which simplifies the process of drawing samples into the injector needle. This design not only enhances reproducibility during sample extraction but also minimizes the risk of septa tearing. Thus, for laboratories conducting multiple analyses with minimal downtime, the pre-slit septa significantly improve operational efficiency.
  • Question: What is the significance of the color-coded caps?

    Answer: The blue caps of the ALWSCI vials serve both functional and visual purposes. Color coding can help with sample identification and organization in the lab, enhancing workflow efficiency. Importantly, these caps are made from tested materials that ensure compatibility with various solvents and sample types, which is paramount in maintaining the integrity of sensitive chemical analyses.
  • Question: How do I ensure proper sealing of the vials?

    Answer: To ensure proper sealing of the vials, it is important to tightly screw the caps down without over-tightening, which could damage the vial or septa. The design of the 9-425 screw thread captures the essential balance between providing a secure seal and allowing for easy access. Regular checks and proper handling can help maintain the seal's effectiveness throughout the sample analysis processes.
  • Question: Are the materials used in the vials safe for various chemicals?

    Answer: Yes, the materials used in the ALWSCI HPLC vials, including PTFE and silicone, are specifically chosen for their chemical resistance and compatibility with a wide range of solvents and chemicals. This ensures that samples remain uncontaminated and that their properties are preserved during storage and analysis, making these vials suitable for diverse chemical applications.
  • Question: How many vials come in a single package?

    Answer: Each package of ALWSCI HPLC vials contains 100 vials, making them an economical choice for laboratories that frequently conduct analyses. This quantity meets the needs of small to medium-sized labs while providing a sufficient stock for various projects. It’s advisable to utilize these vials in a structured inventory system to avoid running out during critical analyses.
  • Question: What are the dimensions of the vials?

    Answer: The dimensions of the ALWSCI HPLC vials are specifically designed for compatibility with standard HPLC equipment. Each vial contains a neck size of 9mm, ensuring a snug fit with the corresponding screw caps. For laboratory setups, this dimension is ideal as it simplifies the use of various HPLC injectors without the need for additional adapters.
  • Question: Where can I buy ALWSCI HPLC Pre-Slit vials in Tonga?

    Answer: You can purchase the ALWSCI HPLC Pre-Slit 9-425 Screw Thread Vial with blue caps at Ubuy. They offer a convenient platform where you can find these vials along with various laboratory supplies, making it a reliable option for all your laboratory needs in Tonga.

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Pros

  • Durable screw thread design
  • Compatible with various lab equipment
  • High-quality silicone septa
  • Pack of 100 for convenience
  • Ideal for sample storage

Cons

  • Some users report difficulty in sealing tightly.

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Order now and get it around Monday, September 28

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Features & Benefits

  • Manufactured from durable blue polypropylene for lasting use.
  • Designed specifically for 2ml ND9 autosampler vials.
  • Includes 100 pieces per pack for bulk usage.
  • Features a 9mm bi-layer septa made of silicone and PTFE.
  • Ideal for multiple injections in HPLC, GC, and LCMS applications.
  • Ensures compatibility with a wide range of vials.

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