Hellma Cylinder Cell 120-QS, 1 mm Layer Thickness
This high-quality cylinder cell with a layer thickness of 1 mm is ideal for precise absorption measurements in the laboratory. It is characterized by its robust quartz glass (QS) construction and is suitable for a wide range of analysis methods in the UV-Vis range. Thanks to its compact dimensions and the PTFE stopper included in the scope of delivery, it is a reliable choice for users who want the highest data quality and reproducibility. Compared to conventional products, this model ensures particularly high accuracy, a wide wavelength coverage, and uncomplicated handling.
High precision for demanding laboratory measurements
The cylinder cuvette was developed with a focus on analytical laboratories that do not compromise when it comes to quantitative determinations of the smallest sample volumes. With a layer thickness of only 1 mm, it supports the exact detection of even slight differences in concentration. The quartz glass is clear, temperature-stable, and chemical-resistant, contributing to a long service life and repeatable results. At the same time, the two polished windows enable optimal light transmission across the sample volume, supporting reliable optical evaluation.
Advanced production processes and strict controls ensure that each cuvette meets the high requirements of demanding laboratory customers. The ability to use different wavelengths in the range from 200 nm to 2500 nm makes the accessory equally interesting for various analytical applications in chemistry and biology laboratories. At the same time, the tight sealing of the cylinder with a PTFE stopper proves to be advantageous in protecting sensitive samples from contamination.
Technical data and special features
• Type: 120-QS
• Material: Quartz glass (200 nm – 2500 nm)
• Layer thickness: 1 mm
• Volume: 280 µl
• Outer diameter: 22 mm, inner diameter: 19 mm
• Outer depth: 3.5 mm
• Number of windows: 2
In addition, the PTFE plug ensures that samples are securely sealed without contaminating the laboratory environment. The quartz glass is resistant to many aggressive chemicals and meets current standards for laboratory equipment. As Hellma is a recognized specialist in optical instruments, all cylinder cuvettes are subject to high quality standards, which supports the reproducibility of measurement results. Thanks to the uniform wall thickness and exact dimensions, consistent light transmission is guaranteed.
Application examples
• UV-Vis spectrophotometry for determining protein concentrations
• Analysis of nucleic acids (e.g., DNA, RNA) in molecular biology laboratories
• Characterization of chemical substances, such as dyes or reagents
• Research and quality control at manufacturers of pharmaceuticals and bioreagents
In addition to these specific applications, the cuvette is also suitable for tests with organic solvents, buffer solutions, or other aqueous media. The manageable internal volume allows precise dosing of small sample quantities without consuming excessive amounts of valuable material. This accessory thus makes a valuable contribution to cost efficiency in research-oriented and production-related laboratories.
FAQs
How is the cuvette cleaned?
Cleaning can usually be carried out with a suitable cleaning fluid or solvents that do not attack the quartz glass. For stubborn residues, a careful ultrasonic bath is recommended. Before each measurement, ensure that the cuvette is completely dry so that the measured values are not obscured.
Is the cuvette autoclavable?
Quartz glass can withstand high temperatures. Nevertheless, it is advisable to check the temperature and pressure specifications to avoid material damage in the autoclave. Alternatively, sterilizing solutions or UV irradiation can be used.
Can volatile substances be measured safely?
Yes. The PTFE stopper allows the vessel to be sealed securely, ensuring safe sample handling when working with easily evaporating or sensitive substances. This not only ensures more accurate measurement results, but also protects the laboratory environment.
Are there any certifications or standards?
Hellma manufactures its cuvettes in accordance with industry standards. The product is suitable for use in ISO-certified laboratories as it meets the standards for quality and reproducibility required there.
Conclusion
The Hellma 120-QS cylinder cuvette with a layer thickness of 1 mm offers ideal conditions for reliable measurements in highly specialized laboratories thanks to its precise manufacturing, wide wavelength range, and robust quartz glass. Thanks to its compact dimensions and low sample requirements, it is ideal for demanding analyses in research, quality control, and development. The integrated PTFE stopper protects sensitive substances from contamination and is easy to use. Overall, this cuvette combines maximum precision with long durability and high flexibility, so that even complex measurement tasks can be carried out effortlessly.
