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10 mm Screw Cap Cuvette with Round Bottom, QGS10C

These 3.5 mL Round Bottom Cuvettes, with a 10 mm pathlength and screw threaded caps, are perfect for fluorescence applications. They feature a high-quality optical surface for accurate and reproducible measurements, and their compact size makes them ideal for small volume applications. Improve your experiments with these precise and reliable cuvettes.


A minimum of 2 units is required to checkout. Worldwide shipping.

Ensure instant accuracy with the QGS10C 10 mm Screw Cap Cuvette from Aireka Scientific. This high-quality cuvette offers superior performance and resistivity and promises reliability for years to come. Designed for precision fluorescence measurements in the 200 – 2,500 nm range with an astounding 3,500 μL chamber volume, it is equipped with four polished windows and a round bottom offering improved sensitivity while measuring.

Its unique lightweight PTFE screw cap ensures tight closure while reducing condensation or sample loss during any experiment. This cuvette is resistant to organic and corrosive chemicals, featuring molded design and 10 mm path length letting you enjoy lightning-fast reliable results. Whether your team is working in medical laboratories or research projects involving fluorometric detection methods, this cuvette will be an ideal choice every time!

What’s the use of cuvettes with screw caps?

Cuvettes with screw caps are designed to securely seal the cuvette to prevent sample evaporation or contamination. The screw caps provide an airtight seal that helps to maintain the integrity of the sample, particularly in applications where the sample may be volatile, reactive, or sensitive to contamination.

Here are some examples of how cuvettes with screw caps can be used in different applications:

  1. Long-term storage: Cuvettes with screw caps can be used for long-term storage of samples, such as DNA, proteins, or other biomolecules, that need to be preserved for future use.
  2. Chemical reactions: Cuvettes with screw caps can be used in chemical reactions that require extended periods of time, as the caps can prevent evaporation or contamination of the sample during the reaction.
  3. Gas phase analysis: In gas phase analysis, cuvettes with screw caps can be used to contain gas samples for extended periods of time, allowing for accurate and consistent analysis of the sample.
  4. Biological assays: Cuvettes with screw caps can be used in biological assays, such as enzyme kinetics or protein assays, to prevent contamination or evaporation of the sample during the assay.
  5. Environmental monitoring: Cuvettes with screw caps can be used in environmental monitoring to prevent the loss of volatile or reactive compounds from air or water samples.

Overall, cuvettes with screw caps are useful in any application where the sample needs to be securely sealed to prevent evaporation, contamination, or loss of volatile or reactive compounds.


Our Fabrication Types

Most types of Aireka Scientific quartz cuvettes including customized cells are available with the following 3 types of fabrication standards:

*Molded*Fused*Bonded / Glued
UV vis ( 190- 2500 nm)YesYesYes
Transmission Matched YesYesYes
Transmission > 80%YesYesYes
Resistant to Acids and Bases (except hydrofluoric acid)YesYesNo
Resistant to Organic SolventsYesYesNo
Usable upto 600°C (1112°F)YesYesNo
Usable upto 1200°C (2192°F)YesNoNo
0 Variations ReadingOn RequestNoNo
FabricationMoldedAssembled with Quartz PowderAssembled with Glue
StorageShort Term StorageClean After UseClean After Use
Available MaterialES Quartz Material
NoteMolded and fused cuvettes and cells are assembled by direct fusion without the use of adhesives throughout the production process. This guarantees resistance against corrosive chemicals and high temperature. Each quartz cuvette and cell has excellent transmission from 190nm to 2500nm.

UV Quartz Glass Cuvettes

Most of our quartz cuvettes are made from ES quartz material, absorption onset occurs below 190 nm and there are no absorption bands situated between 190 nm and 250 nm. Exceptionally high transmittance across the UVB, UVA, visible spectrum, and near IR. The transmission spectra for our UV quartz cells can be seen below. When working in the IR spectra, especially for wavelengths greater than 2000 nm, we recommend IR Quartz Glass Cuvettes instead, as they offer high transmission for these wavelengths.

IR Quartz Glass Cuvettes

Made from IR quartz material, absorption onset occurs below 260 nm with exceptionally high transmission across UVB, UVA, visible, near IR, and notably short IR. Transmission drops significantly in the mid-IR, and at 4200 nm there is complete absorption.

Why Aireka Scientific Cuvettes and Cells?

Aireka Scientific Co Limited is world-renowned as the producer of premium quartz cuvettes. Over twenty years of experience manufacturing quartz cuvettes ensures that every cuvette is manufactured to the most exacting standards for reproducible results.

  • Spectrophotometry cuvettes - Most spectrophotometry applications in the visible and UV ranges benefit from Aireka Scientific spectrophotometry cuvettes. Our cuvettes made of ES quartz material deliver precise and reliable readings even at wavelengths as low as 190 nm. The stock cuvettes are compatible with most spectrophotometers and photometers with standard 0.2 - 100 mm path lengths.
  • Fluorimetry cuvettes - Aireka Scientific brings two decades of experience molding high-quality fluorescence cuvettes to new four-sided clear cuvettes for fluorimetry. Available in standard quartz material with ultra-low auto-fluorescence for the highest precision measurements.
  • Protective packaging - Our cuvettes are in dust-free, low scratching-expanded polystyrene packaging. This ensures that premium cuvettes arrive in the laboratory in the same pristine condition they were in at the factory, with optical quality windows and free of contaminants. 
  • Volumes for most purposes - Our cuvettes are available in a variety of ranges from micro to macro semi-micro sizes to respond to the needs of most scientific applications. We can also customize sample volume to deliver consistent, accurate findings.
  • Perform consistently - The Cuvettes are constructed from high-quality fused quartz materials and are grouped by manufacturing mold cavities to ensure the lowest fluctuation in extinction coefficient.
  • Customization - Custom cuvettes and cells are encouraged and available upon request; mechanical drawings with specifications and tolerances are prerequisites. Awesome pricing and flexibility on small quantities. 


Frequently Asked Questions


Do you ship to my country?

We ship our products worldwide. We ship orders using a tracked courier service as standard (usually FedEx, sometimes DHL) although we are also happy to be flexible if your University or Institution has specific requirements. Other methods are available for a wide variety of countries.

Please note that customs restrictions can vary between countries. If you are uncertain about shipment to your country, please contact us for advice.

What if I want to return or cancel my order?

We hope you love your order, but if you wish to return any items ordered, please notify us within 21 days of receiving the goods. Please ensure that they are returned as new, undamaged, free of contamination and in the original packaging.

Please inspect all orders on arrival to ensure your products are in good condition.

What happens if the item is broken?

If an item breaks due to the manufacturer's error then we will replace the cuvette free of charge, with no costs passed on to our customers.

Any damage to an item that is not caused by a manufacturer's error is not eligible for a free replacement. This would include items that are mishandled, dropped, scratched, etc.

How do I place an Order?

For your convenience, we offer a number of ways of placing an order.

  1. Order online through this shop
  2. E-mail us your purchase order at sales@airekasci.com
  3. If you have custom designs, please contact us

To the best of our knowledge, the information provided here is accurate. However, Aireka Scientific assumes no liability for the accuracy of this page. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. All products are for laboratory and research and development use only, and may not be used for any other purpose including health care, pharmaceuticals, cosmetics, food, or commercial applications.

Weight 50 g

10mm-Screw-Molded-4-Windows-Round-Bottom, 10mm-Macro-Thread-Molded-4-Windows-Round-Bottom

QGS10C-01 10mm-Screw-Molded-4-Windows-Round-Bottom 10 mm, PTFE Screw Cap Cuvette, Molded, High Quality, Resistant to Organic and Corrosive Chemicals. Round Bottom. H x W x D: 60 x 12.5 x 12.5 mm, Pathlength: 10 mm, 4 Polished Windows, Material: Quartz, 200 – 2,500 nm Spectral Range, Chamber Volume 3,500 μL, Detection Method: Fluorometric
QGS10C-02 10mm-Macro-Thread-Molded-4-Windows-Round-Bottom 10 mm, Macro PTFE Screw Cap Cuvette, Molded, High Quality, Resistant to Organic and Corrosive Chemicals. Round Bottom. H x W x D: 60 x 12.5 x 12.5 mm, Pathlength: 10 mm, 4 Polished Windows, Material: Quartz, 200 – 2,500 nm Spectral Range, Chamber Volume 3,500 μL, Detection Method: Fluorometric

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