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UV/VIS Absorbance Spectroscopy

Absorbance spectroscopy performed in the ultraviolet and visible light range is a highly versatile measurement technique that is incredibly popular in analytical chemistry, among many other useful applications.

The principle behind UV/VIS absorbance is the Beer-Lambert law which states that the light absorbed by a sample is in direct proportion to the concentration of that sample. Using reference data, this method enables both quantitative and qualitative measurements for a wide range of uses from blood parameters to chemical composition analysis.

The typical UV/Vis system requires a spectrometer, light source, fiber optic cable, and a sampling accessory, however, Avantes’ modular platform allows us to design the ideal system to include either a single broadband instrument or several working in tandem at different wavelengths. Avantes offers options to deliver nearly any measurement w

Applications of UV/VIS Spectroscopy

There are numerous applications that might use UV/VIS spectroscopy from analytical chemistry in the pharmaceutical industry to monitoring volatile organic compounds responsible for ground-level air pollution, and even in the production of colloids and nanoparticles whether you need high-resolution, high-sensitivity, cooled or uncooled instruments.

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UV/VIS Absorbance Spectrometers

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The StarLine AvaSpec-ULS2048CL-EVO offers you this latest technology using CMOS instead of the conventional CCD technology. In combination with our latest AS-7010 electronics, it offers you a versatile device including USB3.0 communication with 10x higher speed communications and 50x more memory. The AvaSpec-ULS2048CL-EVO is also available as OEM unit, bench-only or rackmount version.

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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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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

UV/VIS Absorbance Application Information Page

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UV/VIS Absorbance Instrument Bundle

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Specializing in Ultra-violet and Visible Light Spectroscopy

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