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
ItemSolidSpec 3700i UV-VIS-NIR spectrophotometerIRXross FTIR SpectrophotometerUV-1280 Monitored Single-Beam UV-Vis SpectrophotometerUV-1900i UV-VIS SpectrophotometerUV-3600i Plus UV-VIS-NIR Spectrophotometer
Citations
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Catalog NumberSolidSpec 3700iIRXrossUV-1280UV-1900iUV-3600i Plus
Price
TypeUV VIS NIRInfrared SpectrophotometerUV-VisUV/VisInquire
Wavelength Range240 to 2600 nm7,800 to 350 cm-1190 to 1,100 nm190 to 1100 nm185 to 3,300 nm
Wavelength Accuracy+/- 0.2 nm (UV VIS), +/- 0.8 nm (NIR)InquireInquire± 0.1 nm at D2 peak 656.1 nm, ± 0.3 nm for entire rangeInquire
Scanning Speed3600nm/min for PMTInquireInquire3000 to 2 nm/min, 29000 nm/min when survey scanningInquire
Spectral Bandwidth0.1, 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)InquireInquire1 nmInquire
Optical SystemDouble BeamSingle BeamSingle-BeamDouble beamHigh-performance double monochromator
Light Source50W Halogen lamp, Deterium lampInquireDeuterium (D2) lamp and 20 W halogen (WI) lampInquireInquire
Resolution0.1 nm0.25, 0.5, 1, 2, 4, 8, 16 cm-1Inquire1 nmMaximum resolution: 0.1 nm
DescriptionShimadzu’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 MoreShimadzu’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 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 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 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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