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 Plus UV-Vis SpectrophotometerBioSpec-nano Small Volume SpectrophotometerFTIR Plastic AnalyzerSolidSpec 3700i UV-VIS-NIR spectrophotometerUV-1900i Plus UV-VIS Spectrophotometer
Citations
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Catalog NumberUV-2700i PlusBioSpec-nanoPlastic AnalyzerSolidSpec 3700iUV-1900i Plus
Price
TypeUV/VisUV VISFourier Transform Infrared Spectrophotometer Plastic Analysis SystemUV VIS NIRUV/Vis
Wavelength Range185 to 900 nm220 to 800 nm7,800 to 350 cm-1240 to 2600 nm190 to 1100 nm
Wavelength Accuracy+/-0.1 nm (656.1 nm D2), +/-0.3 nm (all range)±1 nmInquire+/- 0.2 nm (UV VIS), +/- 0.8 nm (NIR)± 0.1 nm at D2 peak 656.1 nm, ± 0.3 nm for entire range
Scanning Speed4000 to 0.5 nm/min3 secondsInquire3600nm/min for PMT3000 to 2 nm/min, 29000 nm/min when survey scanning
Spectral Bandwidth0.1, 0.2, 0.5, 1, 2 or 5 nm3 nmInquire0.1, 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)1 nm
Optical SystemDouble Beam, Double MonochromatorSingle BeamSingle BeamDouble BeamDouble beam
Light Source50 W Halogen Lamp, Deuterium LampXenon flash lampInquire50W Halogen lamp, Deterium lamp50 W Halogen Lamp, Deuterium Lamp
Resolution0.1 nm+/- 1 nm0.9, 2, 4, 8, 16 cm-10.1 nm1 nm
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

... Read More
The FTIR Plastic Analysis System includes proprietary UV- and thermal-damaged plastics libraries to facilitate highly accurate qualification and state of deterioration when analyzing foreign substances, contaminants, and microplastics. The system is comprised of the compact IRSpirit FTIR ... Read MoreShimadzu’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 UV-1900i Plus 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,... Read More
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