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 SpectrophotometerIRXross FTIR SpectrophotometerUV-1900i UV-VIS SpectrophotometerUV-2600i Research-Grade UV-Vis SpectrophotometerUV-3600i Plus UV-VIS-NIR Spectrophotometer
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Catalog NumberUV-2700iIRXrossUV-1900iUV-2600iUV-3600i Plus
Price
TypeUV/VisInfrared SpectrophotometerUV/VisUV/VisInquire
Wavelength Range185 to 900 nm7,800 to 350 cm-1190 to 1100 nm185 to 900 nm or 220 to 1400 nm (when the ISR-2600Plus Integrating Sphere Attachment is used)185 to 3,300 nm
Wavelength Accuracy+/-0.1 nm (656.1 nm D2), +/-0.3 nm (all range)Inquire± 0.1 nm at D2 peak 656.1 nm, ± 0.3 nm for entire range+/-0.1 nm (656.1 nm D2), +/-0.3 nm (all range)Inquire
Scanning Speed4000 to 0.5 nm/minInquire3000 to 2 nm/min, 29000 nm/min when survey scanning4000 to 0.5 nm/minInquire
Spectral Bandwidth0.1, 0.2, 0.5, 1, 2 or 5 nmInquire1 nm0.1, 0.2, 0.5, 1, 2 or 5 nmInquire
Optical SystemDouble Beam, Double MonochromatorSingle BeamDouble beamDouble Beam, Single MonochromatorHigh-performance double monochromator
Light Source50 W Halogen Lamp, Deuterium LampInquireInquire50 W Halogen Lamp, Deuterium LampInquire
Resolution0.1 nm0.25, 0.5, 1, 2, 4, 8, 16 cm-11 nm0.1 nmMaximum 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.

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Shimadzu’s IRXross™ Fourier Transform Infrared (FTIR) Spectrophotometer is a mid-level FTIR model that achieves upper-end performance, including high-level S/N ratio, resolution, measurement speed and ease of use. This robust, reliable system features built-in Analytical Intelligence, complies... Read MoreShimadzu’s UV-1900i double-beam spectrophotometer offers an exceptional balance of performance and value. The combination of high resolution, low stray light, and an ultrafast scan function with an easy-to-use interface makes this system ideal for R&D and QC laboratories in a variety of fields, such... Read MoreThe compact UV-2600i is a universal, research-grade spectrophotometer that can be used in a wide range of fields, and easily expanded to suit the measurement objective. By using the optional integrating sphere, the measurement wavelength range of the UV-2600i can be extended to the near-infrared ... 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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