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UV/VIS Absorbance Spectroscopy

Discover the Power of UV/VIS Absorption Spectroscopy – Unlock accurate, versatile measurements across pharmaceuticals, environmental monitoring, nanotechnology, and more with Avantes’ modular UV/VIS spectroscopy solutions. Whether you need high-resolution precision or flexible fiber-optic configurations, our systems adapt to your application. For setup inspiration, download our UV/VIS Absorption Common Configurations Brochure to explore proven system designs and find the right solution for your measurements.

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UV/VIS Absorption Spectroscopy

UV/VIS absorbance spectroscopy is one of the most widely applied techniques in analytical chemistry, life sciences, nanotechnology, and environmental monitoring. By measuring how a sample absorbs ultraviolet and visible light, this method delivers accurate quantitative and qualitative analysis for a wide variety of applications.

The technique is based on the Beer-Lambert Law, which states that the light absorbed by a sample is directly proportional to its concentration. Using reliable reference data, UV/VIS absorbance analysis provides valuable insight into chemical composition, reaction monitoring, and biomolecular detection.

A standard UV/VIS setup includes a fiber optic spectrometer, light source, sampling accessory, and fiber optic cables. With Avantes’ modular spectroscopy solutions, systems can be tailored to your exact requirements—whether that’s a single broadband spectrometer for general-purpose measurements or multiple instruments working in tandem across different wavelength ranges. Avantes offers high-resolution, high-sensitivity, cooled, and uncooled UV/VIS spectrometers designed for both laboratory and industrial environments.

Applications of UV/VIS Spectroscopy

Fiber optic UV/VIS spectrometers are used in a wide range of industries, including:

  • Pharmaceuticals – quality control, dissolution testing, and analytical chemistry in drug development

  • Environmental monitoring – detecting volatile organic compounds (VOCs), pollutants, and ground-level ozone

  • Nanotechnology and materials science – characterization of colloids, nanoparticles, and thin films

  • Biomedical research – monitoring blood parameters, proteins, and biomolecules

Whether you require a turnkey UV/VIS absorbance system or a fully customized configuration, Avantes delivers solutions that adapt to your measurement challenges.

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UV/VIS Absorbance Spectrometers

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VARIUS™ Spectrometer

The Avantes AvaSpec-VARIUS™ is a high-performance spectrometer ideal for UV/Vis absorption spectroscopy. With a wide spectral range (190–1160 nm), high sensitivity, fast data acquisition, and a modular, customizable design, it delivers precise, reliable measurements for a variety of applications.

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AvaSpec-ULS2048x64TEC

The SensLine AvaSpec-ULS2048x64TEC backthinned detecor has good sensitivity in the UV and IR regionand .89 mm pixel height maximizes photon collection while the cooling enables long integration times up to 500 seconds with low noise values. three-stage Peltier cooling device integrated into our exclusive ultra-low stray-light optical bench improves the dark baseline and reduces the dark noise by a factor of 2-3.

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AvaSpec-HSC1024x58-TEC-EVO

The AvaSpec-HS1024x58-TEC-EVO (AvaSpec-Hero) combines the best of both worlds: high resolution and high sensitivity! The AvaSpec-HERO is build up around our High Sensitivity Compact 100mm optical bench offering a NA of 0.13 and a cooled Backthinned Detector (1024x58 pixels). The Hero uses the newest AS7010 board, including a High-Performance Analog to Digital convertor

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UV/VIS Resources

SPECTROSCOPY CONFIGURATIONS FOR UV-VIS ABSORBANCE APPLICATIONS

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UV/VIS Absorbance Application Information Page

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UV/VIS Absorbance Instrument Bundle

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Downbload: UV/VIS Absorbance Spectroscopy

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Design your ideal UV/Vis absorption spectroscopy setup today!

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Resources

Measuring UV Protection in Sunglasses

Transmission spectra show how everyday materials interact with light. Take sunglasses, for example—by measuring their spectrum, we can see if they truly block the UV rays that can harm your eyes.

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How to Perform an Absorbance Measurement - Part 1

In this video, we’ll show you the essential tools for a standard absorbance measurement and how to set them up. Start simple, then expand or customize the setup to match your application.

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How to Perform an Absorbance Measurement - Part 2

In this video, we’ll walk you through performing an absorbance measurement using the setup from Part 1. It’s a simple starting point that you can expand or adapt for your specific needs.

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