UV VIS Spectrophotometer

As their name implies, ultraviolet visible spectrophotometers (often referred to as a UV Vis spectrophotometer or just a UV spectrophotometer) quantify the optical properties of samples in the ultraviolet and visible wavelength ranges of light (typically 190 to 900/1100 nm). Specifically, UV visible spectroscopy determines how much light of a given wavelength passes through a sample, and how much is absorbed. Such information can be diagnostic of molecular identity, concentration, structure, or activity, whether of organic species such as porphyrins, benzenes, and napthalenes, or of biomolecules like nucleic acids and proteins. Spectrophotometers can scan either fixed (i.e., predefined) or variable wavelengths, and come in both single- and double-beam configurations.

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CompanyShimadzuShimadzu
ItemUV-2700i Plus UV-Vis SpectrophotometerBioSpec-nano Small Volume Spectrophotometer
Citations
Catalog NumberUV-2700i PlusBioSpec-nano
Price
Optical SystemDouble Beam, Double MonochromatorSingle Beam
Wavelength Range185 to 900 nm220 to 800 nm
Resolution0.1 nm+/- 1 nm
Scanning Speed4000 to 0.5 nm/min3 seconds
Spectral Bandwidth0.1, 0.2, 0.5, 1, 2 or 5 nm3 nm
Light Source50 W Halogen Lamp, Deuterium LampXenon flash lamp
DescriptionThe compact UV-2700i Plus is a double monochromator system offering ultra-low stray light (0.00002 %). This model can measure high absorbance levels up to 8 Abs, allowing it to measure low transmittance levels in highly concentrated samples, films, or other samples with low transmittance ... Read More

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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