Spectrophotometer

Spectrophotometers are used to measure the concentration of a known substance in a solution. They do this by passing a light through the substance and measuring light intensity as a function of wavelength. Either single beam or double beam spectrophotometers can be purchased. In a single beam spectrophotometer, a reference standard is used to measure light intensity before and after the sample is loaded. For double beam spectrophotometers the beam is split with one beam passing through the standard and the other through the sample to compare intensities. While single beam spectrophotometers are typically less expensive and have higher sensitivity, double beam spectrophotometers tend to be more stable and easier to use. Spectrophotometers are important pieces of equipment in chemistry, physics, biochemistry, clinical, and materials testing labs.

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CompanyShimadzuShimadzuShimadzuShimadzuShimadzu
ItemUV-2700i Research-Grade UV-Vis SpectrophotometerBioSpec-nano Small Volume SpectrophotometerSolidSpec 3700i UV-VIS-NIR spectrophotometerUV-1280 Monitored Single-Beam UV-Vis SpectrophotometerUV-3600i Plus UV-VIS-NIR Spectrophotometer
Citations
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Catalog NumberUV-2700iBioSpec-nanoSolidSpec 3700iUV-1280UV-3600i Plus
Price
TypeUV/VisUV VISUV VIS NIRUV-VisInquire
Wavelength Range185 to 900 nm220 to 800 nm240 to 2600 nm190 to 1,100 nm185 to 3,300 nm
Wavelength Accuracy+/-0.1 nm (656.1 nm D2), +/-0.3 nm (all range)Inquire+/- 0.2 nm (UV VIS), +/- 0.8 nm (NIR)InquireInquire
Scanning Speed4000 to 0.5 nm/minInquire3600nm/min for PMTInquireInquire
Spectral Bandwidth0.1, 0.2, 0.5, 1, 2 or 5 nm3 nm0.1, 0.2, 0.5, 1, 2, 3, 5, 8 nm (UV and Vis regions); 0.2, 0.5, 1, 2, 3, 5, 8, 12, 20, 32 nm (NIR region)InquireInquire
Optical SystemDouble Beam, Double MonochromatorSingle BeamDouble BeamSingle-BeamHigh-performance double monochromator
Light Source50 W Halogen Lamp, Deuterium LampXenon flash lamp50W Halogen lamp, Deterium lampDeuterium (D2) lamp and 20 W halogen (WI) lampInquire
Resolution0.1 nm+/- 1 nm0.1 nmInquireMaximum resolution: 0.1 nm
DescriptionThe compact UV-2700i is a universal, research-grade spectrophotometer that can be used in a wide range of fields, and easily expanded to suit the measurement objective. The UV-2700i is capable of 8-Abs measurements, and optimal for measuring low transmittance samples.

Validation software is
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The Shimadzu BioSpec-nano is a low-maintenance micro-volume spectrophotometer designed for the modern life science laboratory. It offers superior detection limits, up to 10 times better compared to the competition, making it the perfect instrument for quantitation of DNA, RNA, protein analysis, and

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Shimadzu’s SolidSpec-3700i/3700i DUV series UV-VIS-NIR spectrophotometers have been designed to address the needs of the electronics and optics markets. Two models are available: the 3700i for standard applications and the 3700i DUV for deep UV measurement to 165 nm. Large sample compartments ensure... Read MoreOffering wavelength scanning from 190 to 1,100 nm, the compact, high-quality UV-1280 is ideal for applications in a variety of industries, including environmental, food quality, and life science. The user-friendly UV-1280 enables intuitive operation, while the enhanced validation, maintenance and ... Read MoreIncorporating the latest technology to achieve high sensitivity, high resolution and an ultra-low stray light level, Shimadzu’s UV-3600i Plus UV-VIS-NIR spectrophotometer offers scientists an opportunity to provide high-performance analyses in a wealth of application areas, including: materials ... Read More
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